Iwuchukwu, A. B., H. O. Agu, J. C. Mba, and N. P. Igwe. “Conformability of Five Brands of Vegetable Oil Sold in Roban Stores Awka, Nigeria to NAFDAC Set Standards”. E-Proceedings of the Faculty of Agriculture International Conference, Mar. 2023, pp. 207-12, https://journals.unizik.edu.ng/faic/article/view/1924.