TY  - BOOK
T1  - Material objects a science unit for primary grades ; teacher's manual.
T2  - Science Curriculum Improvement Study
LA  - English
PP  - Berkeley, CA
PB  - Science Curriculum Improvement Study
YR  - 1963
ED  - Trial ed.
UL  - https://tuklas.up.edu.ph/Record/UP-99796217606667253
OP  - 53
CN  - Q 181 S5 M38 1963 T.G.
KW  - Science : Study and teaching (Primary).
KW  - Object : Teaching.
ER  -