Ezeugo , J. O., M. N. Nwanekezie, O. D. Onukwuli, C. C. Olisa-Bosah, and L. I. Ezeh. “Optimization of Phytochemical Screening Analysis of Ocimum Gratissimum Leaf Oil Extraction Process ”. Earthline Journal of Chemical Sciences 1, no. 2 (April 21, 2019): 139-158. Accessed December 4, 2024. https://earthlinepublishers.com/index.php/ejcs/article/view/139.