ابراهيم جهاد, عيد هيثم, and سلوم محمد. “To Study the Effect of Adding Different Levels of Olive Mill Waste Water Mixture With Cow Manure at Different Degrees of Anaerobic Fermentation on Some Physical Properties of Soil and on Potato Plant Productivity”. Tishreen University Journal -Biological Sciences Series 43, no. 5 (November 8, 2021). Accessed May 17, 2024. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/11054.