“SELF-CONFIDENCE, SELF-EFFICACY AND SPEAKING ABILITY IN SUPPORT OF SUCCESSFUL ENGLISH LANGUAGE LEARNING”, transformasi, vol. 5, no. 1, hlm. 203–222, Okt 2023, Diakses: 30 Mei 2026. [Daring]. Tersedia pada: https://transformasi.kemenag.go.id/journal/article/view/292