Luqmqn Hasan, S., شهد, hasani Sultan, S. and سعد 2022. Utility of 2,2׳- Bipyridyl Reagent in Spectrophotometric Assay of Acetylcysteine in Pure Form and in Its Pharmaceutical Preparations. Journal of Education and Science (JES). 31, 3 (Sep. 2022), 42–53. DOI:https://doi.org/10.33899/edusj.2022.134059.1246.