Julia, J. ., T. . Supriyadi, E. Y. Ali, E. . Agustian, and A. . Fadlilah. “Developing Elementary School Teacher’s Professional Competence in Composing Traditional Songs: An Action Research in Indonesia”. International Journal of Learning, Teaching and Educational Research, vol. 22, no. 6, June 2023, pp. 435-58, https://ijlter.net/index.php/ijlter/article/view/1660.