M. Nayif, Shaimaa, and Dawood H. Mohammed. “Spectrophotometric Determination of Isoniazid in Pharmaceutical Preparations Using Oxidative Coupling Reaction With 2,4-Dinitrophenylhydrazine”. Rafidain Journal of Science 32, no. 1 (June 24, 2025): 149–160. Accessed August 10, 2025. https://ojs.uomosul.edu.iq/index.php/rsci/article/view/12996.