PermaniKania Dewi, and Sufyani Prabawanto. “Analysis of Students’ Mathematical Critical Thinking Based on Gender in the Topic of Linear Programming”. International Conference on Elementary Education 2, no. 1 (March 6, 2020): 1882-1890. Accessed May 8, 2024. http://proceedings.upi.edu/index.php/icee/article/view/1118.