Khotimah, Khusnul, Rengganis Siwi Amumpuni, and Samsul Arifin. “Students’ Performance in Speaking Skill and Self-Efficacy : An Correlational Study”. Jurnal Paedagogy 10, no. 2 (April 7, 2023): 410–416. Accessed September 29, 2025. https://ojspanel.undikma.ac.id/index.php/pedagogy/article/view/5798.