“Analysis of Multiple Choice Assessment Instruments for Grade X Students in Terms of Validity, Reliability, Difficulty Level, Distinction Power, and Distractor Effectiveness”. Proceeding of IJC-MaSTEd (International Joint Conference on Mathematics, Science, Technology, and Education), vol. 1, no. 1, July 2026, pp. 266-75, https://doi.org/10.31571/ijcmasted.v1i1.1154.