Martínez-Argüelles, María-Jesús, and Josep-Maria Batalla-Busquets. “Perceived Service Quality and Student Loyalty in an Online University”. The International Review of Research in Open and Distributed Learning 17, no. 4 (July 8, 2016). Accessed April 30, 2024. https://www.irrodl.org/index.php/irrodl/article/view/2518.