E. Bonilla, Roger, and David Cardoza. “Socio-Demographic Factors and Intergenesic Interval in Nicaraguan Immigrant Mothers in Costa Rica”. Población y Salud en Mesoamérica 5, no. 2 (June 28, 2007). Accessed March 29, 2024. https://revistas.ucr.ac.cr/index.php/psm/article/view/4541.