AUTHOR
National Council of Teachers of Mathematics
36
American Association for the Advancement of Science
32
Nuffield Foundation. Science Teaching Project
20
Greater Cleveland Mathematics Program
18
Johnson, Donovan A.
16
United Nations Educational, Scientific and Cultural Organization
16
Glenn, W. H.
12
Secondary Science Curriculum Review
11
National Science Teachers Association
9
University of the Philippines (Diliman). GE Mathematics Committee
9
Australia. Mathematics for Living
8
Talisayon, Vivien M.
8
MacCracken, Helen Dolman
7
Brandwein, Paul F.
6
Grouws, Douglas A.
6
Hernandez, Dolores F.
6
Hirsch, Christian R.
6
Jacobson, Willard J.
6
MacLennan, Ian
6
Magno, Marcelita C.
6
Mallinson, George G.
6
Mathematical Society of the Philippines, Inc
6
Ogena, Ester B.
6
Philippines. Department of Science and Technology. Science Education Institute
6
Science Education Center, University of the Philippines
6
Unesco
6
Asian Programme of Educational Innovation for Development
5
Association for Science Education
5
Association of Teachers of Mathematics
5
Blanc, Sam S.
5
Brueckner, Leo J.
5
Fischler, Abraham S.
5
Houser, Rick
5
International Association for the Evaluation of Educational Achievement
5
Konicek, Richard D.
5
Lowery, Lawrence F.
5
National Council of Educational Research and Training
5
Orton, Anthony
5
Osborne, Jonathan
5
Philippines. Ministry of Education, Culture and Sports
5
Rabago, Lilia M.
5
Santos, Angeles S.
5
School Mathematics Study Group
5
Science Education Development Plan of the Philippines
5
Tan, Merle C.
5
Unesco. Principal Regional Office for Asia and the Pacific
5
University of the Philippines (Diliman). National Institute for Science and Mathematics Education Development (UP NISMED)
5
American Institute of Biological Sciences. Biological Sciences Curriculum Study
4
Ancheta, Genoveva G.
4
Bishop, Alan J.
4
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