Ciesielkiewicz, Monika, David Méndez-Coca, and Miriam Méndez-Coca , trans. “Intrinsic Motivational Factors in the Use of EPortfolios by Students in Master’s Degree Programs in Education”. Revista Electrónica Educare 25, no. 2 (March 11, 2021): 1–14. Accessed April 15, 2025. https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/12093.