Gelmesa, D., B. Abebie, and L. Desalegn. “Effects of Gibberellic Acid and 2,4-Dichlorophenoxy Acetic Acid Spray on Vegetative Growth, Fruit Anatomy and Seed Setting of (Lycopersicon Esculentum Mill.)”. Science, Technology and Arts Research Journal, vol. 2, no. 3, Sept. 2013, pp. 25-34, https://journals.wgu.edu.et/index.php/star/article/view/515.