Zapata-Posada, J. J., Castro-Rodelo, Y. Y., & Agudelo-Bedoya, M. E. (2016). Grandmothers earlier than expected: women life changes, involvement in grandchildren rising and intergenerational relationships. Prospectiva. Revista De Trabajo Social E Intervención Social, 22, 117-140. https://doi.org/10.25100/prts.v0i22.1239