2022. Microbiological Effect of Lemongrass Cymbopogon Citratus and Spearmint Mentha Spicata Essential Oils as Preservatives and Flavor Additives in Yogurt. Iraqi Journal of Science. 63, 7 (Jul. 2022), 2839–2849. DOI:https://doi.org/10.24996/ijs.2022.63.7.8.