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