Sirniawati, Sirniawati, and Putik Rustika. “The Student Self-Confidence Profile in Learning English for Mathematics With the Tiktok Application”. Concept : Community Concern for English Pedagogy and Teaching 10, no. 1 (June 30, 2024): 21–30. Accessed September 27, 2024. https://e-journal.umc.ac.id/index.php/CJU/article/view/5472.