AUTHOR
American Association for the Advancement of Science
37
National Science Teachers Association
29
National Research Council of the Philippines
24
Nuffield Foundation
22
Science Education Center, University of the Philippines
21
Scottish Education Department
21
MacCracken, Helen Dolman
20
Schools Council, Nuffield Foundation
20
Jacobson, Willard J.
19
Katagiri, George
18
Unesco
16
Talisayon, Vivien M.
15
United Nations Educational, Scientific and Cultural Organization
15
Association for Science Education
14
Rockcastle, Verne N.
14
Harlen, Wynne
13
Kuhn, Thomas S.
13
Schmidt, Victor E.
13
Secondary Science Curriculum Review
13
Gega, Peter C.
12
Salomon, Frank R.
12
Beiser, Arthur
11
Sarton, George 1884-1956
11
Beauchamp, Wilbur Lee
10
Cunningham, John D.
10
Parker, Sybil P.
10
Philippines (Republic). National Science Development Board
10
University of the Philippines (Diliman). Science Education Center
10
Velasco, Jose R.
10
Carale, Lourdes R.
9
Carin, Arthur A.
9
Decker, Donald Gilmore
9
International Association for the Evaluation of Educational Achievement
9
Krauskopf, Konrad Bates 1910-
9
Nuffield Foundation. Secondary Science Project
9
Ogena, Ester B.
9
Pacific Science Association
9
Schneider, Herman
9
Schneider, Nina
9
Unesco. Principal Regional Office for Asia and the Pacific
9
Abruscato, Joseph
8
Alferez, Merle S.
8
Biological Sciences Curriculum Study
8
Blough, Glenn Orlando
8
National Academy of Science and Technology (Philippines)
8
Victor, Edward 1914-
8
Arthur G.Tressier...et al
7
Barnard, John Darrell
7
Brandwein, Paul Franz 1912-
7
Concepcion, Gisela P. Padilla
7
Mais ...