Junaidin, Sugiyono, Yoyon Suryono, and Komalasari. “Teacher’s Achievement in Curriculum 2013 Training: A Hierarchical Linear Model”. International Journal of Instruction 15, no. 1 (January 1, 2022): 891–910. Accessed January 10, 2025. https://e-iji.net/ats/index.php/pub/article/view/481.