Coloma, R. A. ., F. P. . Ibarra, A. Mukminin, L. Marzulina, H. Mulyono, and K. Harto. “PACE Technique to Error Categories: Its Effectiveness in Improving Word Problem Performance in Mathematics Among the 7th Grade Students”. Qubahan Academic Journal, vol. 3, no. 4, Nov. 2023, pp. 130-52, doi:10.48161/qaj.v3n4a169.