AUTHOR
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Philippine Council for Agriculture and Resources Research and Development
11
Schmidt, Victor E.
11
Asia and the Pacific Programme of Educational Innovation for Development
10
Barrow, Gordon M.
10
Beauchamp, Wilbur Lee
10
Carini, Edward
10
General Certificate of Secondary Education
10
Gray, M.
10
Halliday, David
10
Hostetler, Robert P.
10
Individualized Science Instructional Systems
10
International Association for the Evaluation of Educational Achievement
10
Nuffield Foundation. Secondary Science Project
10
Ogena, Ester B.
10
Schaaf, William L.
10
Schneider, Herman
10
Scottish Mathematics Group
10
Suydam, Marilyn N.
10
Talisayon, Vivien M.
10
Butts, David P.
9
Decker, Donald Gilmore
9
Eicholz, Robert E.
9
Fletcher, Harold
9
Hirsch, Christian R.
9
Individualized Science Instructional System
9
International Atomic Energy Agency
9
Marsh, L. G.
9
Mullis, Ina V.S
9
National Assessment of Educational Progress (Project)
9
National Institute for Educational Research
9
Organisation for Economic Co-operation and Development
9
Popham, W. James
9
Resnick, Robert
9
Schneider, Nina
9
US Department of Energy
9
Australia. Mathematics for Living
8
Boyer, Robert E., series ed
8
Braunfeld, Peter G.
8
Bueche, Frederick J.
8
Educational Services Inc. African Education Program
8
Gamow, George
8
Hogg, John Clarence
8
Holum, John R.
8
Illinois. University. Elementary School Science Project
8
Mallinson, George G.
8
Marion, Jerry B.
8
McMurry, John
8
Morgan, Adrian
8
Morgan, Sally
8
Morris, Lynn Lyons
8
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