Nourhan A. Mohamed., M. A. Elshazly , M. K. Afify , M. Zhran , A. M. Zedan. 2024. “Nutrient Film Technique Hydroponic System for Lettuce Production ”. Journal of Computational Analysis and Applications (JoCAAA) 33 (06):3991-4007. https://eudoxuspress.com/index.php/pub/article/view/5265.