TY  - BOOK
T1  - Working with science
T2  - Our world of science
A1  - Craig, Gerald Spellman 1893-
LA  - English
PP  - Boston
PB  - Ginn
YR  - 1946
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603618015
OP  - 283
CN  - Q 163 C88
ER  -