Syah, Neyla Rosa Istaufi, Imam Suyitno, Ade Eka Anggraini, Shirly Rizki Kusumaningrum, and Ratna Ekawati. “Exploring Self-Confidence in English Skills and Informal Digital Learning Frequency: A Study of Indonesian Elementary Students ”. Journal of Language and Literature Studies 5, no. 2 (June 16, 2025): 427–438. Accessed January 30, 2026. https://journal-center.litpam.com/index.php/jolls/article/view/2415.