Riza Andriani, Widya, Nurul Fadieny, Muttakin, and Niki Dian Permana. 2023. “Development of Conceptual Understanding Student Tests to The Basic Physics Subject: A Rasch Model Analysis”. Co-Catalyst: Journal of Science Education Research and Theories 1 (1):43-54. https://doi.org/10.33830/cocatalyst.v1i1.4891.