Pramadanti, Rindika, and Rudhi Achmadi. “Self-Confidence, Vocabulary, and Learning Motivation As Determinants of English Speaking Ability”. MATAI: International Journal of Language Education 6, no. 1 (December 1, 2025): 48-63. Accessed December 14, 2025. https://ojs3.unpatti.ac.id/index.php/matail/article/view/22500.