TY  - BOOK
T1  - An economic model of family planning and fertility
T2  - [Rand Corporation.Paper] P-3862
A1  - Schultz, T. Paul
LA  - English
PP  - Santa Monica, Calif.
PB  - Rand Corporation
YR  - 1968
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217608768906
OP  - 52
NO  - Cover title.
CN  - AS 36 R28 No.3862
KW  - Birth control : Puerto Rico.
KW  - Family size.
ER  -