Sánchez-Adame, L. M., S. Mendoza, J. Urquiza, J. Rodríguez, and A. Meneses-Viveros. “Towards a Set of Heuristics for Evaluating Chatbots”. IEEE Latin America Transactions, vol. 19, no. 12, May 2021, pp. 2037-45, https://latamt.ieeer9.org/index.php/transactions/article/view/5052.