Manalu, P. R., E. Rahmadani, and E. Masithoh. “Analysis of Students’ Mathematical Problem-Solving Ability on System of Linear Equations in Two Variables in Class VIII SMPN 3 Kisaran”. Holistic Science, vol. 4, no. 1, Apr. 2024, pp. 30-35, doi:10.56495/hs.v4i1.481.