Artanti KPAI, Damayanti SEP, Royani SNM, Irvaniyah BN, Rossa NME, Putri AM, et al. RASCH model analysis: validity and reliability of concept understanding test instrument on temperature and heat. Momentum: Physics Education Journal [Internet]. 2026 Jul. 27 [cited 2026 Aug. 4];10(1):85-93. Available from: https://ejournal.unikama.ac.id/index.php/momentum/article/view/13156