TY  - BOOK
T1  - Environmental studies
T2  - Teacher timesavers
A1  - MacKay, Frances
LA  - English
PP  - Leamington Spa, Eng.
PB  - Scholastic Publications
YR  - 1993
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217604051602
OP  - 144
CN  - GE 70 M33 1993
SN  - 0590530658
KW  - Environmental sciences : Study and teaching (Early childhood).
KW  - Human ecology : Study and teaching (Early childhood).
KW  - Nature study : Activity programs.
ER  -