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2 류희찬, "증명의 필요성 이해와 탐구형 기하 소프트웨어의 활용, 수학교육학연구" 9 (9): 419-438, 1999
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1 류성림, "피아제의 균형화 모델에 의한 증명의 지도 방법 탐" 한국교원대학교 1998
2 류희찬, "증명의 필요성 이해와 탐구형 기하 소프트웨어의 활용, 수학교육학연구" 9 (9): 419-438, 1999
3 나귀수, "증명의 본질과 지도 실제의 분석-중학교 기하단원을 중심으로" 서울대학교 1998
4 우정호, "증명 지도의 재음미" 4 (4): 3-24, 1994
5 서동엽, "중학교 학생의 증명 능력 분석, 수학교육학연구" 9 (9): 183-203, 1999
6 Usiskin,Z., "van Hiele levels and achievement in secondary school geometry" University of Chicago 1982
7 Crowley, M. L., "The van Hiele model of the development of geometric thought in : Learning and teaching geometry" NCTM 1-16, 1987
8 van Hiele P.M., "The child's thought and geometry in : English translation of selected writings of Dina van Hiele-Geldof and Pierre M. van Hieles" Booklyn College 243-252, 1984
9 Jackiw,N., "The Geometer's Sketchpad (Version 4.0) [Computer software]"
10 Connell, M. L., "Technology in constructivist mathematics classrooms" 17 (17): 311-338, 1998
11 de Villiers, M., "Rethinking proof with the Geometer's Sketchpad" Key Curriculum Press 1999
12 Kahan,J., "Relationships among mathematical proof, high-school students, and a reform curriculum. Doctoral dissertation, University of Mayland"
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14 National Council of Teachers of Mathematics, "Principles and standards for school mathematics" NCTM 2000
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21 Edwards,L., "Exploring the territory before proof: Students' generalizations in a computer microworld for transformation geometry" 2 : 187-215, 1997
22 Bennett, D., "Exploring geometry with the Geometer's Sketchpad" Key Curriculum Press 2002
23 National Council of Teachers of Mathematics, "Curriculum and evaluation standards for school mathematics" NCTM 1989
24 Reys, R., "Assessing the impact of standards-based middle grades mathematics curriculum materials on the student achievement" 34 (34): 74-95, 2003
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