Firman, F., A. . Prianto, M. Munawaroh, and A. . Timan. “Does Service-Based Learning Strengthen Students’ Core Skills?”. International Journal of Learning, Teaching and Educational Research, vol. 23, no. 6, June 2024, pp. 583-0, https://www.ijlter.myres.net/index.php/ijlter/article/view/1986.