Alejo, Mariela, and Belkis Elizabeth Osorio Acosta. “The Informant As a Key Person in Qualitative Research”. GACETA DE PEDAGOGÍA, no. 35 (December 1, 2016): 74–85. Accessed October 26, 2026. https://revistas.upel.edu.ve/index.php/gaceta/article/view/552.