AUTHOR
Arciaga, Violeta
1
Balce, Marina E.
1
Bulan, Celia T.
1
Carale, Lourdes R.
1
De Guzman, Fe
1
De Guzman, Fe S.
1
Ferido, Marlene B.
1
Mendoza, Aurora B.
1
Mendoza, Aurora Bartolo 1955-
1
Ogena, Ester B.
2
Philippines. Department of Education
1
Philippines. Department of Science and Technology-Science Education Institute
1
Philippines. Department of Science and Technology. Science Education Institute
1
Savellano, Julieta M.
1
Talisayon, Vivien M.
Third International Mathematics and Science Study
1
Ulep, Soledad A.
1
University of the Philippines (Diliman). National Institute for Science and Mathematics Education Development
1
University of the Philippines Diliman. National Institute for Science and Mathematics Education Development
1
University of the Philippines Diliman. National Institute for Science and Mathematics Education Development UP NISMED
1