Fitriyaningsih, A., G. Sugita, A. Anggraini, and I. N. Murdiana. “Analysis of Errors in Solving Story Questions on Algebraic Operations Based Kastolan Theory Students SMP Negeri 6 Palu”. Numerical: Jurnal Matematika Dan Pendidikan Matematika, vol. 8, no. 1, June 2024, pp. 230-7, doi:10.25217/numerical.v8i1.4489.