TY - BOOK T1 - Science - a process approach first revision LA - English PP - Washington, DC PB - AAAS YR - 1966 ED - 3rd experimental ed. UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606667071 OP - 256 NO - Prepared for testing in elementary schools. CN - Q 181 A69 1966 pt.7 KW - Science : Study and teaching. ER -