00000cam a22000004a 4500 UP-1685675941123806201 Buklod 20230928102401.0 a r |||| u| ta 230928s1987 xx r |||| u|eng d 01159801 (iLib)UPTAC-00000009942 DEDUC aacr2 eng Q 158 I55 Bato balani for science and technology. Makati City Diwa Learning Systems. v. ill. Bi-monthly v.1, no.1 [1980?]- Description based on: v.7, no.2 SY 1987-88 freshman issue. Includes: Science in action. Science Study and teaching (Secondary) Periodicals. Technology Study and teaching (Secondary) Periodicals. FI UPTAC UPTAC Q 158 I55 Book