TY  - BOOK
T1  - Population, resources and the environment the critical challenges.
LA  - English
PP  - New York
PB  - United Nations Population Fund
YR  - 1991
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125144642
OP  - 154
CN  - HB871 P66 1991
KW  - Populations.
ER  -