TY  - BOOK
T1  - Science with children.
A1  - Trojcak, Doris A.
LA  - English
PP  - New York
PB  - McGraw-Hill
YR  - 1979
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603751492
OP  - 321
CN  - LB 1585 T76
KW  - Science : Study and teaching (Elementary).
ER  -