TY - BOOK ED - United Nations. TI - Socio-economic development and fertility decline : : an application of the Easterlin synthesis approach to world fertility survey data (Co lombia, Costa Rica, Sri Lanka, and Tunisia) / SN - 9211512352 U1 - 304.632 PY - 1991///] CY - [New York] : PB - The Division, KW - Family size KW - Developing countries KW - Case studies KW - Fertility, Human KW - Developing countries KW - Population KW - Cases studies N1 - "ST/ESA/SER. R/101." ER -