TY  - BOOK
T1  - Populations a science unit for the primary grades.
T2  - Science Curriculum Improvement Study
LA  - English
PP  - Berkeley, CA
PB  - Science Curriculum Improvement Study
YR  - 1968
ED  - Trial ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606706488
OP  - 27
CN  - Q 181 S5 P67 1968 S.M.
KW  - Science : Study and teaching (Primary).
KW  - Animal populations : Study and teaching.
ER  -