Usman, L. A., S. O. Ologunja, R. O. Ismaeel, J. O. Akolade, and B. E. Olanipekun. 2017. “Effect of Harvesting Time on Phytochemical Profile and Antioxidant Activity of Essential Oil from Citrus Medica Leaves”. Al-Hikmah Journal of Pure and Applied Sciences (AJPAS) 5 (1): 42-51. https://alhikmahuniversity.edu.ng/AJPAS/index.php/journal/article/view/167.