أميمة ناصر, and توفيق عثمان. “Studying the Effectiveness of Some Locally Isolated Bacteria Groups in Biogas Production”. Tishreen University Journal -Biological Sciences Series 44, no. 5 (November 22, 2022): 151–165. Accessed November 25, 2024. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/14108.