1.
Purnamasari UD, Kartowagiran B. Application rasch model using R program in analyze the characteristics of chemical items. J. Inov. Pend. IPA. [Internet]. 2019 Oct. 29 [cited 2025 Aug. 24];5(2):147-56. Available from: https://journal.uny.ac.id/index.php/jipi/article/view/24235