TY  - BOOK
T1  - Science for the elementary-school teacher.
A1  - Craig, Gerald Spellman 1893-
LA  - English
PP  - Boston
PB  - Ginn
YR  - 1947
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603633567
OP  - 561
NO  - Bibliography at end of each chapter
CN  - Q 181 C695 1947
KW  - Science : Study and teaching (Elementary).
KW  - Science.
ER  -