Rosid Bahar, Opik Hidayat, Ainun Nurul Syadiah, and Budi Sutardi. “Finding a Mathematical Disposition Instrument of Junior High School Students in Indonesia”. Psychology, Evaluation, and Technology in Educational Research 5, no. 2 (January 23, 2023): 66–78. Accessed April 22, 2025. https://petier.org/index.php/PETIER/article/view/145.