Wati, Mustika, Saiyidah Mahtari, Sri Hartini, and Heny Amelia. 2019. “A Rasch Model Analysis on Junior High School Students’ Scientific Reasoning Ability”. International Journal of Interactive Mobile Technologies (iJIM) 13 (07):pp. 141-149. https://doi.org/10.3991/ijim.v13i07.10760.