Cinantya, Gracia Cita, and Sugiharto Bowo. “Rasch Model Analysis: Grade 11 Biology Education Questionnaire Accuracy”. Biosfer: Jurnal Pendidikan Biologi 19, no. 1 (February 21, 2026): 89–96. Accessed May 20, 2026. https://journal.unj.ac.id/unj/index.php/biosfer/article/view/58337.