Alpizar Rodriguez, Mario Esteban. “A Systematic Review on Measurement Instruments of Digital Competencies of University Teachers in English Teaching Majors”. Revista Tecnológica - ESPOL 36, no. 2 (December 30, 2024): 73–94. Accessed October 8, 2025. https://rte.espol.edu.ec/index.php/tecnologica/article/view/1200.