Fitri M, Rahayu W, El Hakim L. Analysis of Student Errors in Working Mathematical Problems in Calculated Operation Materials Fractions Based on Newman Stages From Adversity Quotient (Case Study in SMP Negeri 2 Sekampung). jrssem [Internet]. 2022Feb.12 [cited 2024Nov.25];1(7):754-8. Available from: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/102