Ortiz Ortiz, Mary Luz, and Oscar Mauricio Hernández Yomayuza. “Problem Based Learning Mediated by a Mobile Educational Application”. Revista Virtual Universidad Católica del Norte, no. 69 (May 9, 2023): 43–69. Accessed November 22, 2024. http://34.231.144.216/index.php/RevistaUCN/article/view/1465.