20건
V. A. Krutetskii, 1976
V. A. Krutet͡skiĭ, 1976
Wayne P. Hresko, 2003
Vadim Andreevich Krutetskiĭ, 1976
Agnes Low Rogers, 1918 / 판 3개
Jack Rudman, 1997
Ingvar Werdelin, 1958 / 판 2개
Jules Burstein, 1970 / 판 2개
George Joseph Cairns, 1931
Canadian Teachers' Federation. Research Division, 1959
National Learning Corporation, 2020
Jeremy Kilpatrick, 1983
Dowker, 2005
Robert J. G. Barlow, 1968
Stanford University. School Mathematics Study Group., 1969
1982
1969
David Fielker, 1997
Brown, Virginia, 1994
Eleanor Sylvia Weiss, Harvard University. Graduate School of Education, 1955
제목이나 표지 사진만 주셔도 찾아 드립니다. 여러 권이면 기업 기관 구매에서 목록째 넣으실 수 있습니다.