PURNAMASARI, Untung Desy; KARTOWAGIRAN, Badrun. Application rasch model using R program in analyze the characteristics of chemical items. Jurnal Inovasi Pendidikan IPA, [S. l.], v. 5, n. 2, p. 147–156, 2019. DOI: 10.21831/jipi.v5i2.24235. Disponível em: https://jurnal.uny.ac.id/index.php/jipi/article/view/24235. Acesso em: 14 may. 2025.