D. . Ulloa-Marquez, J. Tigre-Quizhpe, and L. R. Barba-Guaman, “Prototype for Analyzing Instructor Profiles in Online Courses: A Fuzzy Logic-Based Approach”, Int. J. Emerg. Technol. Learn., vol. 18, no. 21, pp. pp. 66–78, Nov. 2023.