Mulyanti, Sri, Deni Ebit Nugroho, and Lenni Khotimah Harahap. “Student’s Chemical Bonds Concept: Rasch Model Analysis”. IJCER (International Journal of Chemistry Education Research) 7, no. 1 (April 15, 2023): 33–38. Accessed May 10, 2024. https://journal.uii.ac.id/IJCER/article/view/23182.