TY  - BOOK
T1  - Science teaching aids for a stronger America
T2  - Illinois curriculum program bulletin
A1  - Fritsch, Emery C.
LA  - English
PP  - Illinois
PB  - s.n.
YR  - 1955
UL  - https://tuklas.up.edu.ph/Record/UP-99796217603648660
OP  - 153
CN  - Q 181 F91
KW  - Science : Studies and teaching.
ER  -