Fernández, Leticia E., y Alison Newby. «Family Support and Pregnancy Behavior Among Women in Two Border Mexican Cities». Frontera Norte 22, no. 43 (marzo 16, 2017): 7–34. Accedido noviembre 21, 2024. https://fronteranorte.colef.mx/index.php/fronteranorte/article/view/863.