Royer David, and Iranys Urbina. “The Relation Between the Implementation of Learning Objects and Listening Skills”. Avances en Educación y Humanidades 2, no. 2 (December 2, 2017): 59–70. Accessed December 4, 2024. https://revistas.unicordoba.edu.co/index.php/avedhum/article/view/1485.