共 50 条
- [2] POLYGYNY AND FAMILY-PLANNING IN SUB-SAHARAN AFRICA [J]. STUDIES IN FAMILY PLANNING, 1981, 12 (8-9) : 322 - 326
- [8] The emerging fertility transition in sub-Saharan Africa [J]. WORLD DEVELOPMENT, 1998, 26 (08) : 1431 - 1461
- [9] The timing of the fertility transition in sub-Saharan Africa [J]. WORLD DEVELOPMENT, 2002, 30 (10) : 1835 - 1843