Heuristics as a learning methodology in processes in the sales area in ecuadorian commercial companies. Revista Universidad de Guayaquil, [S. l.], v. 129, n. 2, p. 1–11, 2019. DOI: 10.53591/rug.v129i2.1369. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/165. Acesso em: 5 dec. 2025.