1.
Juárez F. Family planning and child survival : 100 developing countries. [John A. Ross . et al.]. New York : Center for Population and Family Health, Columbia University, 1988. EDU [Internet]. 1 de enero de 1990 [citado 26 de abril de 2024];5(1):194-6. Disponible en: https://estudiosdemograficosyurbanos.colmex.mx/index.php/edu/article/view/757