K. C. Romero Acosta, L. D. Fonseca Beltrán, and L. M. Carpintero, “Emotional fluctuations in pregnant adolescents from rural areas in the north of Colombia”, Apunt. Psic., vol. 39, no. 1, pp. 9–17, Jul. 2021, doi: 10.55414/ap.v39i1.838.