Ruiz Cerrillo, S. “Evaluation System for Problem-Based Learning (PBL) in Students of Bachelor’s Degree on Nutrition”. RIDE Revista Iberoamericana Para La Investigación Y El Desarrollo Educativo, Vol. 7, no. 13, Aug. 2016, pp. 93 - 106, https://www.ride.org.mx/index.php/RIDE/article/view/237.