TY  - BOOK
T1  - Science - a process approach first revision - competency measures
A1  - American Association for the Advancement of Science
LA  - English
PP  - Washigton, DC
PB  - AAAS
YR  - 1966
ED  - 3rd experimental ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606667070
NO  - Prepared for testing in elementary schools
CN  - Q 181 A69 1966 pt.6
KW  - Science : Study and teaching.
ER  -