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A Partial Least Squares Path Model of Repurchase Intention in Smartphone-based Ride Hailing Service
Nguyen,Ngoc Duy Phuong,Tran,Thi Dai Trang 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
The aims of this study are applying the Perceived value model and employing the three factors defining service quality of information system from DeLone and McLean’s success model to identify the key factors affecting repurchase intention in smartphone-based ride hailing service. The research framework was examined with 427 valid respondents from Grab and Uber customers in Vietnam. Partial Least Square (PLS) employed to analyze the measurement and structural model. The statistical results support all seven proposed hypotheses. The study confirm that service quality and electronic service quality of information system are significant predictors of overall perceived service quality. In addition, when customer perceives the service quality outweighs their sacrifices, the perceived value increase, subsequently results in higher repurchase intention towards smartphone-based ride-hailing service. Overall, other variables account for 51.1% of variance of repurchase intention. The study confirms the relationships of the three variables represent the electronic service quality and service quality with the overall service quality, which directly effects to perceived value, considering a more comprehensive model for service in m-commerce context.
Nguyen,Ngoc Duy Phuong,Nguyen,Duy Long 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
The purpose of this paper is to explore how customers’ repurchase intention of e-commerce in Viet Nam which is considered as a potential country in developing this field. This paper focuses to the effects of perceived value on online repurchase intention of e-commerce in Vietnam and what key determinants affect to the perceived value. To test the proposed hypotheses, the quantitative method is applied to collect the data. The partial least square (PLS) was used as a technique to analyze the data included the measurement as well as structural model. Data from this research collected from 261 Vietnamese online shoppers who have already purchased in E-commerce in Vietnam.
Nguyen,Ngoc Duy Phuong,Nguyen,Tien Dat 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
This paper examines key determinants and the effect of country-of-origin on customer’s purchase intention of functional food and dietary supplement product in Vietnam. Data was collected from a survey of 242 Vietnamese who have experienced in buying functional and supplement food. This paper employed partial least square (PLS) as a technique used to analyze the measurement and structural models. The findings provide evidence that social prestige customer perceives and their positive attitude toward functional food which are main factors influencing on consumers’ purchase intention. Customer’s perceived prestige plays an important role in decision-making process to purchase. The higher social prestige taken up in consumers’ mind, the higher consumers’ purchase intention is. Moreover, the more positive attitude customer holds toward functional food, the higher consumers’ purchase intention. The research results provide useful information in current understanding of what antecedents determine factors influencing customer’s intention to purchase functional food and lead to managerial implications for business strategies.
Distribution of Factors Affecting Foreign Direct Investment in ASEAN Countries
Anh Thi Lan NGUYEN(Anh Thi Lan NGUYEN ),Chau Thi Minh PHAM(Chau Thi Minh PHAM ),Hanh Hong NGUYEN(Hanh Hong NGUYEN ),Dat Ngoc NGUYEN(Dat Ngoc NGUYEN ),Duy Van NGUYEN(Duy Van NGUYEN ) 한국유통과학회 2023 유통과학연구 Vol.21 No.2
Purpose: Research on attracting foreign direct investment plays an important role in ASEAN countries. ASEAN has needed FDI capital for development and integration with many developing countries. Research design, data and methodology: This study is conducted to assess the impact of factors: inflation (INF), economic growth (GDP), population (POP), and trade (TRADE) on attracting foreign direct investment (FDI) of ASEAN countries. The study will find out how factors distribution contributes to FDI attraction. The study collects data from 10 ASEAN countries from 2010 to 2020. With data collected for ten countries from 2010 to 2020, data analysis with panel data will be used in this study. The Regression with Driscoll-Kraay standard errors correction model will be used in the study. Results: Panel data analysis shows that economic growth and population positively impact FDI attraction in ASEAN countries. However, two factors: INF and TRADE, do not affect FDI. Conclusions: Countries need to focus on economic development, create many good conditions for people and domestic enterprises and create opportunities for foreign investors to pay more attention. improving the quality of domestic human resources will help to better improve the working quality factor when the demand for high-quality human resources increases.
Nguyen Duy Dat,Ton That Loc,Mai Thuan Trieu,Dong Thanh Nguyen,Khuong Quoc Nguyen,My Linh Nguyen,Anh Duy Duong Le,Hai Nguyen Tran 한국화학공학회 2022 Korean Journal of Chemical Engineering Vol.39 No.4
Two new composites from synthetic clay-like materials and carbon spheres were developed. Layered doubledhydroxides (LDH) were synthesized from the coprecipitation of Mg2+ and Al3+ ions. Spherical hydrochar (SH) wasprepared from pure glucose through hydrothermal carbonization at 190 oC. The composite LDH–SH was synthesizedthrough a simple hydrothermal method of the mixture of LDH and SH. Another composite, LDO-SB, was directly preparedthrough the carbonization of LDH-SH at 500 oC. Under such high temperature, LDH was converted to layereddoubled oxides (LDO), and SH was transferred to spherical biochar (SB). Those materials were characterized by chemicalstability, surface morphology and element composition, crystal structure, surface functional group, and texturalcharacteristic. They were applied for removing cationic dye (methylene blue; MB) and anionic dye (Congo red; CR)under different pH solutions. Three adsorption components—kinetics, isotherm, and thermodynamics—were conductedunder batch experimenters. Results demonstrated that the LDH or LDO particles were assembled on the surfaceof SH or SB, respectively. The surface area, total pore volume, and average pore width of LDH–SH and LDO-SBwere 58.5 and 198m2/g, 0.319 and 0.440 cm3/g, and 21.8 and 8.89 nm, respectively. The maximum adsorption capacityof the materials, calculated from the Langmuir model, at 30 oC for CR and MB dyes was 1589 and 78.6mg/g (LDOSB)and 499 and 226mg/g (LDH-SH), respectively. The composites exhibited a higher affinity to anionic than cationicdyes, which resulted from the great contribution of the clay-like materials. Therefore, they can serve as a promisingcomposite for the decolorization of wastewater.
Truong Giang Nguyen,Thanh Khiem Nguyen,Ham Hoi Nguyen,Hong Son Trinh,Tuan Hiep Luong,Minh Trong Nguyen,Van Duy Le,Hai Dang Do,Kieu Hung Nguyen,Van Minh Do,Quang Huy Tran,Cuong Thinh Nguyen 한국간담췌외과학회 2024 Annals of hepato-biliary-pancreatic surgery Vol.28 No.1
Backgrounds/Aims: Parenchymal-sparing anatomical hepatectomy (Ps–AH) based on portal ramification of the right anterior section (RAS) is a new technique to avoid unnecessarily transecting too much liver parenchyma, especially in cases of major anatomical hepatectomy. Methods: We prospectively assessed 26 patients with primary hepatic malignancies having undergone major Ps–AH based on portal ramification of the RAS from August 2018 to August 2022 (48 months). The perioperative indications, clinical data, intra-operative index, pathological postoperative specimens, postoperative complications, and follow-up results were retrospectively evaluated. Results: Among the 26 patients analyzed, there was just one case that had intrahepatic cholangiocarcinoma The preoperative level of α– Fetoprotein was 25.2 ng/mL. All cases (100%) had Child–Pugh A liver function preoperatively. The ventral/dorsal RAS was preserved in 19 and 7 patients, respectively. The mean surgical margin was 6.2 mm. The mean surgical time was 228.5 minutes, while the mean blood loss was 255 mL. In pathology, 5 cases (19.2%) had microvascular invasion, and in the group of HCC patients, 92% of all cases had moderate or poor tumor differentiation. Six cases (23.1%) of postoperative complications were graded over III according to the Clavien–Dindo system, including in three patients resistant ascites or intra-abdominal abscess that required intervention. Conclusions: Parenchymal-sparing anatomical hepatectomy based on portal ramification of the RAS to achieve R0-resection was safe and effective, with favorable short-term outcomes. This technique can be used widely in clinical practice.
Nguyen, Hoang-Duy,Kim, Seung-Joo,Yeo, In-Hyeong,Mho, Sun-il The Electrochemical Society 2012 Journal of the Electrochemical Society Vol.159 No.3
<P>Novel orange-red phosphors based on Eu<SUP>3+</SUP>-activated Ba<SUB>2</SUB>Bi<SUB>2/3</SUB>TeO<SUB>6</SUB> and BaBiNaTeO<SUB>6</SUB> double perovskite were synthesized both by using a solid state reaction method and by using a Na<SUB>2</SUB>S<SUB>x</SUB> (x = 2–6) flux. Both Ba<SUB>2</SUB>Bi<SUB>2/3</SUB>TeO<SUB>6</SUB> (A<SUB>2</SUB>BB′O<SUB>6</SUB>) and BaBiNaTeO<SUB>6</SUB> (AA′BB′O<SUB>6</SUB>) have a cubic structure with rock-salt ordering of the B-site cations, with space group Fm3m and lattice parameters of 8.4719 Å and 8.3221 Å respectively. The structures of the two double perovskites differ from each other in the local coordination of Bi<SUP>3+</SUP> that is substituted by the Eu<SUP>3+</SUP> activators. The use of Na<SUB>2</SUB>S<SUB>x</SUB> flux for the preparation of Ba<SUB>2</SUB>Bi<SUB>2/3</SUB>TeO<SUB>6</SUB>:Eu<SUP>3+</SUP> and BaBiNaTeO<SUB>6</SUB>:Eu<SUP>3+</SUP> results in the incorporation of the Na<SUP>+</SUP> ion into and the extraction of the Ba<SUP>2+</SUP> ion from the lattice, and this, in turn, leads to a decrease in the lattice parameters. The luminescence intensity significantly increases with the lattice distortion/disorder caused by the Ba<SUP>2+</SUP> ion vacancy and the incorporation of Na<SUP>+</SUP> in the lattice. The relative intensity of red (615 nm; <SUP>5</SUP>D<SUB>o</SUB>–<SUP>7</SUP>F<SUB>2</SUB>) to yellow (592 nm; <SUP>5</SUP>D<SUB>o</SUB>–<SUP>7</SUP>F<SUB>1</SUB>) in the luminescence spectra of Ba<SUB>2</SUB>Bi<SUB>2/3</SUB>TeO<SUB>6</SUB>:Eu<SUP>3+</SUP> increases as a result of the disappearance of the centrosymmetric nature of the Eu<SUP>3+</SUP> crystallographic site.</P>