Hery Wibowo, and Olis Olis. “The Role Of Sunday School Teachers In The Character Building Of High School Children At GBIS Salatiga”. Green Philosophy: International Journal of Religious Education and Philosophy 1, no. 3 (December 30, 2024): 01–16. Accessed January 23, 2025. https://philosophy.ifrel.org/index.php/GreenPhilosophy/article/view/32.