A. T. Saputri, E. Suprapto, and S. Maharani, “Students’ Error Analysis in Solving Contextual Problem of Flat-Sided Geometry Based on Nolting’s Theory Depends on Gender”, JELMaR, vol. 3, no. 1, pp. 84–92, May 2022, doi: 10.37303/jelmar.v3i1.116.