Lestari, P. A., S. M. Fitri, T. Maryam, and H. Tasya. “Mathematics and Language Self-Efficacy, Reading Interest, and Bullying As Predictors of Academic Achievement in Formal and Nonformal Education”. JEES: Journal of Education and Educational Sciences, vol. 3, no. 1, Sept. 2026, pp. 20-33, doi:10.70152/jees.v3i1.383.