Chewaka, D., D. Abate, and K. Urga. “Growth Inhibition of Grain Spoilage Fungi by Selected Herbs and Spices Essential Oils”. Science, Technology and Arts Research Journal, vol. 3, no. 4, Dec. 2014, pp. 135-40, https://journals.wgu.edu.et/index.php/star/article/view/528.