Lestari, R., Nayazik, A., & Kurniati, L. (2021). Development of Mathematics Teaching Materials Based on Realistic Mathematics Education Using Tri-N on Linear Equation System Material. Journal Of Medives : Journal Of Mathematics Education IKIP Veteran Semarang, 5(2), 363-376. doi:10.31331/medivesveteran.v5i2.1722