Fitri, M. ., Rahayu, W., & El Hakim, L. . (2022). 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). Journal Research of Social Science, Economics, and Management, 1(7), 754–758. https://doi.org/10.59141/jrssem.v1i7.102