Rasch Analysis of Creative Thinking Skill on Optical Instrument (CTSOI) 11th Grade Students Sundanese Tribe: a Case Study. Radiasi [Internet]. 2021 Apr. 30 [cited 2026 Sep. 1];14(1):51-6. Available from: https://jurnal.umpwr.ac.id/index.php/radiasi/article/view/1080