Villaver, Marlon, and Lolly Beth Justiniane. “Challenges of English Language Learners towards Remote Independent Study: Developing a Theory”. Journal of Learning and Development Studies 3, no. 1 (April 15, 2023): 52–61. Accessed October 4, 2025. https://al-kindipublishers.org/index.php/jlds/article/view/5143.