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]. 2022 Feb. 12 [cited 2025 Dec. 5];1(7):754-8. Available from: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/102