Rivaldo I, Sutrisno H, Manik AC. The Use of The Rasch Model to Develop Students’ Conception of Chemistry Learning Instruments During the Covid-19 Pandemic . JPKI [Internet]. 2022 May 26 [cited 2024 May 2];6(1):20-9. Available from: https://ejournal.undiksha.ac.id/index.php/JPK/article/view/45338