Khuhawar, M.Y., L.A. Zardari, and A.J. Laghari. 2010. “Capillary Gas Chromatographic Determination of Isoniazid in Pharmaceutical Preparation by Pre-Column Derivatization With Acetylacetone”. Asian Journal of Chemistry 20 (8):5997-6006. https://asianpubs.org/index.php/ajchem/article/view/13048.