Mushab, Fatima, and Sabah Almasraf. “Improvement of Economic Water Productivity of Cucumber by Using Soil Water Retention Technology under Subsurface Trickle Irrigation System”. Association of Arab Universities Journal of Engineering Sciences 26, no. 3 (August 31, 2019): 68-72. Accessed October 16, 2021. https://jaaru.org/index.php/auisseng/article/view/328.