E-activities of a Quality Control course, and their effect on the motivation, knowledge and performance of students at the Costa Rican Distance State University. UNED Res. J. [Internet]. 1 de diciembre de 2012 [citado 30 de julio de 2026];4(2):247-5. Disponible en: https://revistas.uned.ac.cr/index.php/cuadernos/article/view/14