Samsudin A, Fratiwi NJ, Ramalis TR, Aminudin AH, Costu B, Nurtanto M. Using Rasch Analysis to Develop Multi- representation of Tier Instrument on Newton’s law (MOTION). Psychosocial rehabilitation [Internet]. 2020 Aug. 31 [cited 2025 Dec. 19];24(6):8542-56. Available from: https://www.psychosocial.com/index.php/ijpr/article/view/7628