Syah NRI, Suyitno I, Anggraini AE, Kusumaningrum SR, Ekawati R. Exploring Self-Confidence in English Skills and Informal Digital Learning Frequency: A Study of Indonesian Elementary Students . JOLLS. Lang. Liter. Studies. 2025;5(2):427-438. doi:10.36312/jolls.v5i2.2415