Spectrophotometic Determination of Isoniazid (INH) Using 2,4-dinitro-1-flourobenzene (DNFB) – Application to Tablet. JES [Internet]. 2011 Dec. 1 [cited 2026 Aug. 4];24(4):1-12. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41681