Author
National Council of Teachers of Mathematics
164
SpringerLink (Online service)
114
National Center for Education Statistics
110
Educational Testing Service
85
National Assessment of Educational Progress (Project)
81
ProQuest Ebook Subscriptions
81
ProQuest (Firm)
80
Ballator, Nada
54
Reese, Clyde M.
54
Jerry, Laura
52
Carr, Peggy
50
Carroll, Catherine, 1951-
49
Mumme, Judith
49
James Hosmer Penniman Book Fund
41
Eisenhower National Clearinghouse for Mathematics and Science Education
39
United States. Office of Educational Research and Improvement
39
Sriraman, Bharath
36
Mathematical Association of America
35
Kilpatrick, Jeremy
34
National Research Council (U.S.). Mathematical Sciences Education Board
29
School Mathematics Study Group
26
Balka, Don S.
22
Consortium for Mathematics and Its Applications (U.S.)
21
International Commission on Mathematical Instruction
21
Hull, Ted H.
20
Kaur, Berinderjeet, 1955-
19
Miles, Ruth Harbin
19
International Congress on Mathematical Education
18
California State College (Pa.). Dept. of Mathematics
17
National Institute of Education (U.S.)
17
PALCI EBSCO books
17
Chinn, Stephen J.
16
English, Lyn D.
16
Kanold, Timothy D.
16
Mullis, Ina V. S.
16
Dossey, John A.
15
Kaiser, Gabriele
15
National Science Foundation (U.S.)
14
Bass, Hyman, 1932-
13
Ernest, Paul
13
Fehr, Howard F. (Howard Franklin), 1901-1982
13
Freudenthal, Hans, 1905-1990
13
Posamentier, Alfred S.
13
Project 2061 (American Association for the Advancement of Science)
13
Romberg, Thomas A.
13
Third International Mathematics and Science Study
13
California State College (Pa.). Division of Graduate Studies
12
Cuisenaire Company of America
12
Howson, A. G. (Albert Geoffrey), 1931-
12
Li, Yeping
12
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