TY  - JOUR
A1  - Bongaarts, J.
A1  - Hardee, K.
T1  - Trends in contraceptive prevalence in sub-Saharan Africa: The roles of family planning programs and education
Y1  - 2019
DO  - 10.2139/ssrn.3255823
VL  - 23
IS  - 3

ER  -