Gunasekaran, S., and V. Renganayaki. “Spectroscopic and Chromatographic Analysis of Some Commercial Samples of Neem Oil”. Asian Journal of Chemistry 23, no. 2 (October 25, 2010): 755–761. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/15848.