Bellatama, L. G., H. Sumardi, E. Muchlis, and H. Hanifah. “Enhancing Mathematics Learning through Problem-Based and Digital Integration: A Study on Wordwall-Based Teaching Modules”. Journal Evaluation in Education (JEE), Vol. 6, no. 4, Oct. 2025, pp. 1119-2, doi:10.37251/jee.v6i4.2191.