León-Granizo, Oscar, and Maryline León-Granizo. “Development of a Virtual Assistant (chatbot) to Improve Access to Re-Curring Information by Students of Higher Education Institutions”. Ecuadorian Science Journal 4, no. 2 (September 30, 2020): 111-116. Accessed May 3, 2024. https://journals.gdeon.org/index.php/esj/article/view/49.