Socio-economic development and fertility decline : an application of the Easterlin synthesis approach to world fertility survey data : Colombia, Costa Rica, Sri Lanka and Tunisia. ([Lugar de publicación no identificado] : Population Division, Department of International Economic and Social Affairs of the United Nations Secretariat, 1985)
Keywords: FECUNDACION HUMANA -- ASPECTOS SOCIOECONOMICOS; CONTROL NATAL -- ASPECTOS SOCIOECONOMICOS; POBLACION; REGIONES SUBDESARROLLADAS