Karlimah, Karlimah. “How Does Rasch Modeling Reveal Difficulty and Suitability Level the Fraction Test Question?”. Jurnal Elemen 8, no. 1 (January 6, 2022): 66–76. Accessed April 28, 2024. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/4170.