Syahwa, Keysha Alifia, Satria Kamal Gustia, Ayu Faradillah, and Syafika Ulfah. 2024. “Validity and Reliability of Mathematical Reasoning Ability Instruments in High Schools With Winsteps”. Pattimura Proceeding: Conference of Science and Technology 5 (1), 11-20. https://doi.org/10.30598/ppcst.knmxxiiv5i1p11-20.