Coloma, Roghene A., Florante P. Ibarra, Amirul Mukminin, Lenny Marzulina, Herri Mulyono, and Kasinyo Harto. 2023. “PACE Technique to Error Categories: Its Effectiveness in Improving Word Problem Performance in Mathematics Among the 7th Grade Students”. Qubahan Academic Journal 3 (4):130-52. https://doi.org/10.48161/qaj.v3n4a169.