TY  - BOOK
T1  - Modular secondary science resources ; book 3.
LA  - English
PP  - London
PB  - John Murray
YR  - 1987
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606693126
CN  - Q 181 L60 I55 1987 Bk.3
KW  - Science : Study and teaching (Secondary) : London.
ER  -