AUTHOR
Tompkins, Gail E.
14
Adorio, Mercedes P.
11
Carin, Arthur A.
9
Fay, Leo C.
8
Harlen, Wynne
8
Abruscato, Joseph
7
Baldo, Trinidad C.
7
Biological Sciences Curriculum Study
7
Diaz, Leonor E.
7
Gega, Peter C.
7
Philippines. Bureau of Elementary Education. Curriculum Development Division
7
Philippines. Bureau of Elementary Education. Third Elementary Education Project
7
Victor, Edward 1914-
7
Ellis, Arthur K.
6
Fajardo, Amelia C.
6
Gunning, Thomas G.
6
Jarolimek, John
6
Michaelis, John Udell 1912-
6
Gollnick, Donna M.
5
Howe, Ann C.
5
Maxim, George W.
5
Philippines. Department of Education
5
Ulep, Soledad A.
5
Armstrong, David G.
4
Baetiong, Lourdes R.
4
Barba, Robertta H.
4
Butts, David P.
4
Chapin, June R. 1931-
4
Esler, William K.
4
Fredericks, Anthony D.
4
Friedl, Alfred E.
4
Hampton, Sally
4
Hernandez, Dolores Fuentes 1924-
4
Hornedo, Florentino H.
4
Joaquin, Ma. Nympha B.
4
Lerner, Marjorie S.
4
Lowry, Margaret
4
Metila, Romylyn A.
4
Muega, Maricris B. Acido
4
Murphy, Sandra
4
National Science Teachers Association
4
Padilla, Portia P.
4
Peacock, Graham
4
Peters, Joseph M.
4
Philippines. Department of Education, Culture and Sports. Division of Iloilo (Zone III)
4
Savage, Tom V.
4
Sheviak, Margaret R.
4
Sison, Waldetrudes Montojo
4
Sta. Maria, Felice P.
4
Stout, David L.
4
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