1.
Pratama DA, Fathurrahman R. The Effect of Internal Training and Obstacles to Music Teachers, Teaching Competency Improvement Effort. basicedu [Internet]. 2022 Jun. 25 [cited 2025 Oct. 20];6(5):8078-8. Available from: https://www.jbasic.org/index.php/basicedu/article/view/3717