M. A. Olivo Olivo and J. E. Padrón Calle, “Market research for the creation of a craft beer factory in Canton la Troncal”, PDR, vol. 4, no. 13, pp. 35–57, Jan. 2019, Accessed: Oct. 31, 2026. Available: https://revistas.uniminuto.edu/index.php/Pers/article/view/2044