TY  - BOOK
T1  - Population theory and policy selected readings
A1  - Spengler, Joseph John 1902-
A2  - Duncan, Otis Dudley
LA  - English
PP  - Glencoe
PB  - Free Press
YR  - 1956
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125144649
OP  - 522
CN  - HB881 S67
KW  - Population : Collections.
ER  -