TY  - BOOK
T1  - Nuffield secondary science theme 1, interdependence of living things
T2  - Nuffield Secondary Science
LA  - English
PP  - London
PB  - Nuffield Foundation
YR  - 1971
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606693861
OP  - 174
NO  - Published for the Nuffield Foundation by Longman Group Limited
CN  - Q 181 N9 1971 Tm.1
KW  - Science : Study and teaching (Secondary).
ER  -