AUTHOR
Quisumbing, Eduardo
2
University of the Philippines. Science Education Center
2
Aranez, Adoracion V.
1
Asis, Consuelo V.
1
Banta, Stephen J.
1
Billings, William Dwight 1910-
1
Centro Escolar University
1
Clapham, Arthur Roy
1
De Padua, Ludivina S.
1
Eichhorn, Susan E.
1
Evert, Ray Franklin
1
Hershey, David R. 1955-
1
Holme, Merilyn
1
La O', Carmelita Echauz
1
La O', Melissa Echauz
1
Lucente, Neil
1
Mauseth, James D.
1
Miclat, Mario I.
1
Pardo de Tavera, Trinidad Hermenegildo 1857-1925
1
Raven, Peter H.
1
Santos, Rosario G.
1
Sia, Claudine D.
1
Time-Life Books
1
Vergara, Benito S.
1
Villanueva, Aida
1
Walters, Martin
1
Went, Fritz Warmolt 1903-
1