Abruscato, Joseph 7
Adorio, Mercedes P. 11
Alcazar, Marie Yvette Concepcion 4
Anderson, Nancy A. 4
Armstrong, David G. 4
Ashlock, Robert B. 1930- 11
Association for Science Education 4
Baetiong, Lourdes R. 4
Baldo, Trinidad C. 7
Barba, Robertta H. 4
Barber, Jacqueline 5
Beckmann, Sybilla 4
Billstein, Rick 11
Biological Sciences Curriculum Study 7
Bitter, Gary G. 4
Blough, Glenn Orlando 6
Burger, William F. 6
Butts, David P. 5
Carale, Lourdes R. 4
Carin, Arthur A. 9
Chapin, June R. 1931- 4
Chinn, Philip C. 4
Clements, Robert D. 5
Copeland, Richard W. 7
Day, Michael 1938- 4
DeTemple, Duane W. 8
Diaz, Leonor E. 7
Dicsen, Josephine V. 5
Educational Services, Inc 4
Eicholz, Robert E. 4
Ellis, Arthur K. 6
Esler, William K. 4
Fajardo, Amelia C. 6
Fay, Leo C. 8
Forbes, Jack E. 4
Fredericks, Anthony D. 4
Friedl, Alfred E. 4
Gega, Peter C. 7
Gollnick, Donna M. 7
Graber, Kim C. 5
Greater Cleveland Mathematics Program 4
Gunning, Thomas G. 6
Hampton, Sally 4
Harlen, Wynne 9
Haylock, Derek 4
Heddens, James W. 1925- 4
Hernandez, Dolores Fuentes 1924- 4
Hornedo, Florentino H. 4
Howe, Ann C. 5
Hurwitz, Al 6
Jacobson, Willard J. 6
Jarolimek, John 6
Joaquin, Ma. Nympha B. 4
Johnson, Art 1946- 4
Katagiri, George 16
Kennedy, Leonard M. 7
Lerner, Marjorie S. 4
Lever, Mel 4
Libeskind, Shlomo 10
Lindquist, Mary Montgomery 4
Long, Calvin T. 9
Lott, Johnny W. 1944- 6
Lowry, Margaret 4
Maxim, George W. 5
May, Lola June 4
Metila, Romylyn A. 4
Michaelis, John Udell 1912- 6
Mock, Valerie E. 4
Muega, Maricris B. Acido 4
Murphy, Sandra 4
Musser, Gary L. 8
National Council of Teachers of Mathematics 10
National Science Teachers Association 7
Nuffield Foundation 21
Ocampo, Dina 5
Padilla, Portia P. 4
Peacock, Graham 4
Peters, Joseph M. 4
Philippines. Bureau of Elementary Education. Curriculum Development Division 8
Philippines. Bureau of Elementary Education. Special Education Division 4
Philippines. Bureau of Elementary Education. Third Elementary Education Project 8
Philippines. Department of Education 12
Philippines. Department of Education, Culture and Sports. Division of Iloilo (Zone III) 9
Philippines. Instructional Materials Corporation 4
Reys, Robert E. 6
Savage, Tom V. 4
School Mathematics Study Group 6
Schools Council, Nuffield Foundation 20
Science Education Center, University of the Philippines 15
Scottish Education Department 21
Shaw, Jean M. 4
Sheviak, Margaret R. 4
Sison, Waldetrudes Montojo 4
Suydam, Marilyn N. 6
Tolman, Marvin N. 5
Tompkins, Gail E. 14
Ulep, Soledad A. 5
Victor, Edward 1914- 7
Wachowiak, Frank 6
Woods, Amelia Mays 5