Rahayu DR. The Effects of Teaching Strategic and Self-Confidence on Students’ Speaking Competency (An Experimental in the 8th Grade Students of SMP Muslimin Panyawungan). Japendi [Internet]. 2025 Dec. 26 [cited 2025 Dec. 30];6(12):5603-18. Available from: http://www.japendi.publikasiindonesia.id.solusipublish.com/index.php/japendi/article/view/9267