Barakat, Mona, Sawsan Suleiman, and Simon Wanoos. “The Effect of Hydrogel and Compost on Hydric Characteristics of Sandy Soil and Its Effect on Tomato Emergence”. Tishreen University Journal -Biological Sciences Series 35, no. 9 (December 31, 2013). Accessed May 8, 2024. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/584.