Yagual Velastegui, Alfredo Marcel, Iván Ariolfo Coronel Pérez, and Daniel Ortiz Luzuriaga. “Heuristics As a Learning Methodology in Processes in the Sales Area in Ecuadorian Commercial Companies”. Revista Universidad de Guayaquil 129, no. 2 (July 5, 2019): 1–11. Accessed April 21, 2026. https://revistas.ug.edu.ec/index.php/rug/article/view/165.