1 "한국과 싱가포르의 수학 교과서 비교 연구 - 비와 비례 단원을 중심으로-" 2007
2 "초등학생을 위한 비 개념 지도방안" 2005
3 "초등학교 수학에서 비의 값과 비율 개념의 구별에 대한 논의" 4 (4): 633-642, 2002
4 "중학교 수학 8-나" 서울: (주) 중앙교육진흥연구소 2007c
5 "중학교 수학 8-가" 서울 : (주) 중앙교육진흥연구소 2007b
6 "중학교 수학 7-가" 서울 : (주)중앙교육진흥연구소 2007a
7 "유리수 개념의 교수현상학적 분석에 의한 학습지도 방향에 관한 연구" 1995
8 "수학 6-나" 서울 : 대한 교과서 주식회사 2002b
9 "수학 6-가" 서울 : 대한 교과서 주식회사 2002a
10 "비 개념에 대한 역사적, 수학적, 심리적 분석" 5 (5): 421-440, 2003a
1 "한국과 싱가포르의 수학 교과서 비교 연구 - 비와 비례 단원을 중심으로-" 2007
2 "초등학생을 위한 비 개념 지도방안" 2005
3 "초등학교 수학에서 비의 값과 비율 개념의 구별에 대한 논의" 4 (4): 633-642, 2002
4 "중학교 수학 8-나" 서울: (주) 중앙교육진흥연구소 2007c
5 "중학교 수학 8-가" 서울 : (주) 중앙교육진흥연구소 2007b
6 "중학교 수학 7-가" 서울 : (주)중앙교육진흥연구소 2007a
7 "유리수 개념의 교수현상학적 분석에 의한 학습지도 방향에 관한 연구" 1995
8 "수학 6-나" 서울 : 대한 교과서 주식회사 2002b
9 "수학 6-가" 서울 : 대한 교과서 주식회사 2002a
10 "비 개념에 대한 역사적, 수학적, 심리적 분석" 5 (5): 421-440, 2003a
11 "비 개념에 대한 교육적 분석" 13 (13): 247-265, 2003b
12 "from ancient to modern times" Oxford University Press 1972
13 "and instructional functions of rational numbers Papers from a research workshop pp" 101-144, 1976
14 "University of Wisconsin" Unpublished doctorial dissertation 1989
15 "The thirteen books of Euclid's Elements with introduction and commentary" 1956
16 "The norton history of the mathematical sciences : the rainbow of mathematics" New York: W.W.Norton & Company 1997
17 "The development of the concept of speed and its relationship to concepts of rate" 1994
18 "The development of proportional reasoning and the ratio concept PartⅡ-Problem-structure at successive stages problem-solving strategies and the mechanism of adaptive restructuring Educational Studies in Mathematics 11" (elting) : 331-363, 1980b
19 "The development of proportional reasoning and the ratio concept PartⅠ-Differentiation of stages Educational Studies in Mathematics 11" (elting) : 217-253, 1980a
20 "The development of multiplicative reasoning in the learning of mathematics" SUNY Press 235-287, 1994
21 "The Growth of Logical Thinking From Childhood to Adolescence" Basic Books Inc 1958
22 "Ratio in early Greek mathematics Bulletin of the American Mathematical Society" 807-846, 1979
23 "Principles and Standards for school mathematics" National Council of Teachers of Mathematics 2000
24 "Number concepts and operations in the middle grades pp National Council of Teachers of Mathematics" 162-181, 1988
25 "Number concepts and operations in the middle grades National Council of Teachers of Mathematics" 162-181, 1988
26 "Number concepts & operations for middle graders pp" Lawrence Erlbaum Associates 93-118, 1988
27 "National Council of Teachers of Mathematics Curriculum and evaluation standards for school mathematics National Council of Teachers of Mathematics" 1989
28 "Mathematical modeling as a component of understanding ratio- as-measure A study of prospective elemenrary teachers Journal of Mathematical Behavior" 1994b183-197
29 "Mathematical meaning and applicational meaning in the semantics of fractions and related concepts Number concepts and operations in the middle grades pp National Council of Teachers of Mathematics" 162-181, 1988
30 "Journal for Research in Mathematics Education 24" 41-61, 1993
31 "Improper use of linear reasoning : An in-depth study of the nature and irresistibility of secondary school students'errors" 50 : 311-334, 2002
32 "Early adolescents' proportional reasoning on 'rate' problems Educational Studies in Mathematics 14" 219-233, 1983
33 "Connecting Research To Teaching Proportional Reasoning" 404-407, 1993
34 "Compounding ratios :Bradwardine, Oresme, and the first edition of Newton's Principia. In Transformation and tradition in the sciences, First paperback edition pp11-43" Cambridge University Press 11-43, 2002
35 "An analysis of students' construction of ratio and proportion understanding" Paper presented at the American Educational Research Association, Montreal, Canada 1999
36 "Acquisition of mathematics concepts and processes pp" Academic Press 1983
37 "A history of mathematics : An introduction second edition" Addition-Wesley Educational Publishers 1998
38 "A Review of the Literature Educational Studies in Mathematics 16" 1985181-204