Cárcamo Duarte, Alma Guisela, and Ana Cecilia Escobar Martínez. “Psychology in Guatemala, Some of Its History and Present”. INFORMACIO PSICOLOGICA, no. 109 (July 7, 2015): 72–85. Accessed December 5, 2025. https://www.informaciopsicologica.info/revista/article/view/222.