Alpizar Rodriguez, Mario Esteban. “Piloting, Validation, and Definition of a Self-Perception Instrument for University Teachers’ Digital Competencies in English Language Teaching in Costa Rica”. Revista Tecnológica - ESPOL 37, no. 2 (December 15, 2025). Accessed March 21, 2026. https://www.rte.espol.edu.ec/index.php/tecnologica/article/view/1310.