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- 저자 : Muhammad Ali Sikandar (검색결과 4 건)
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Effects of Technological, Organizational, and Environmental Factors on Social Media Adoption
QALATI, Sikandar Ali,LI, Wenyuan,VELA, Esthela Galvan,BUX, Ali,BARBOSA, Belem,HERZALLAH, Ahmed Muhammad Korea Distribution Science Association 2020 The Journal of Asian Finance, Economics and Busine Vol.7 No.10
Electronic commerce is becoming a significant hub for sourcing products/services which helps organizations to connect with potential customers and gain competitive advantages, though little empirical work focuses on small businesses operating in developing countries to date. Increasingly, companies are looking to utilize social media to connect with stakeholders and pursue several benefits. This study aims to investigate the technological, organizational, and environmental (TOE) factors that influence small- and medium-sized enterprises' (SMEs) social media (SM) adoption in developing countries. This study used a closed-ended questionnaire to collect data from randomly-selected respondents (owners, executives, and managers) from SMEs in Pakistan. SMART PLS version 3.2.8 was used for path analysis of 316 responses and for structural equation modeling. The research findings include the direct influence of TOE factors (relative advantage, interactivity, visibility, top management support, and institutional pressure) on SMEs' SM adoption, and in turn SM adoption also has a positive influence on SMEs performance. Moreover, the coefficient of determination of the study showed that 77.7% of the variation in SM adoption occurs because of TOE factors and 29.8% variation in SMEs occurred because of SM adoption. This paper has implications for practitioners and scholars interested in exploring the SM adoption and usage by SMEs.
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Muhammad Yaseen,Sikandar Ali,Abullah,Naeem Ullah 보안공학연구지원센터 2016 International Journal of Database Theory and Appli Vol.9 No.6
Context: Global Software Development (GSD) is the software development across the globe in which stakeholders are related to different countries and cultures, and they communicate each other by emails, fax, mobile, videoconferencing or any other communicating media. There are a lot of problems in implementing requirement engineering process for global software development. There is a need of requirement implementation model which guides us how to implement successfully requirement engineering in the context of GSD. Objective: To Find Critical Success factors (CSF) and challenges in requirement implementation in the context of GSD through Systematic literature Review (SLR), and to find the practices for the proper implementation CSF and challenges as proposed by Requirement Implementation Model (RIM). Method: - SLR is the methodology used to fulfill the objectives of this research. Expected Outcomes: - SLR protocol is developed for RIM. Expected output of this study is to list out all the factors and challenge which the stakeholders are facing in implementing requirement in the context of GSD through SLR.
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조병완,Muhammad Ali Sikandar,Zafar Baloch,Amjad Naseer,Naveed Jan,Qaiser Jamal 한양대학교 세라믹연구소 2018 Journal of Ceramic Processing Research Vol.19 No.2
Silica fume is most commonly used mineral admixture both in high performance concrete (HPC) and self-compacting concrete(SCC). While the incorporation of silica fume in concrete has been extensively investigated in HPC and SCC, furtherresearches are needed to optimize the dosage of silica fume and cement content in self-compacting high performance concrete(SCHPC). This paper presents the results of tests carried out to study the effect of w/b ratio and binder content (cement andsilica fume content) on properties of SCHPC. Eighteen batches of concrete with binder content ranging from 500-600 kg/m3were produced at two w/b ratios (0.23 and 0.25); with silica fume amount varying from 0 to 20 percent by weight of cement. Super Plasticizer (SP) dosage, porosity, water absorption, compressive strength, modulus of elasticity, splitting tensile strength,autogenous shrinkage (AS) and hydration characteristics were evaluated for all SCHPC mixes. The results indicate thatoptimum w/b ratio and binder content (cement and silica fume content) is required to get better performance from SCHPC,as high cement content and silica fume dosage tend to deteriorate the overall performance owing to reduced mechanicalperformances, high degree of hydration and greater autogenous shrinkage in SCHPC mixes incorporating silica fume.
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Byung-Wan Jo,Sumit Chakraborty,Muhammad Ali Sikandar,Yun Sung Lee 대한토목학회 2018 KSCE Journal of Civil Engineering Vol.22 No.5
The paper presents the compressive strength distribution pattern of the hydrogen-rich water based cement mortar. In this study, themortar samples were fabricated using different concentrations of hydrogen-rich water (0.2-0.5 ppm). The performance of hydrogenrichwater was evaluated measuring the setting time and the compressive strength of the mortar samples. Subsequently, the strengthdata were statistically analyzed using the Weibull distribution model in the 37% and the 95% confidence level (survival probability). Analyzing the results, it is anticipated that the use of hydrogen-rich water for the fabrication of mortar leads to set the cement quicklyand yields comparatively greater compressive strength than that of the control mortar prepared using normal water. Based on theWeibull distribution analysis, it is predicted that the mortar prepared using 0.5 ppm hydrogen-rich water would not break under 31.46MPa compressive stresses in 95% cases. Finally, based on the scanning electron microscopy in conjugation with the X-ray diffractionand thermogravimetry analysis, a plausible model has been proposed to explain the overall performances of the hydrogen-rich waterbasedmortar.
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