Pitron, N. A., Sauhana, N., Redina, A. S., Fajriyanti, A. N., & Mawardi, M. (2026). Improving Mathematics Learning Outcomes in Addition and Subtraction Through the Direct Instruction Model among Third-Grade Elementary School Students. Pubmedia Jurnal Penelitian Tindakan Kelas Indonesia, 3(4), 1–12. https://doi.org/10.47134/ptk.v3i4.2858