Hassen, Haylaa, Abdulmotalib Mohammed, and Manahel Pulus. 2007. “Effect of Some Galacones and Traazolate Derivatives in the Development, Growth and Differentiation of Lettuce Plant Lactuca Sativa .L”. Journal of Education and Science (JES) 20 (1):226-35. https://doi.org/10.33899/edusj.2007.162803.