-
411
-
412
PSHS cradle of Filipino scientists and technologists
الحاوية / القاعدة Alipato : a Journal of Basic Education (1997)مقال -
413
-
414
-
415
Parangal sa mga siyentista. IN Sa kabukiran [column]
الحاوية / القاعدة Philippine Daily Inquirer (1997)مقال -
416
-
417
-
418
-
419
-
420