Mulyanti, S., Nugroho, D.E. and Harahap, L.K. 2023. Student’s Chemical Bonds Concept: Rasch Model Analysis. IJCER (International Journal of Chemistry Education Research). 7, 1 (Apr. 2023), 33–38. DOI:https://doi.org/10.20885/ijcer.vol7.iss1.art6.