TY  - BOOK
T1  - Teacher's guide II sections 6-10
LA  - English
PP  - Middlesex
PB  - Longman / Penguin Books
YR  - 1971
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606693630
OP  - 379
NO  - Published for the Nuffield Foundation by Longman/Penguin Books.
CN  - Q 181 N78 1971 Guide 2
KW  - Science : Study and teaching.
ER  -