H. Khdheyer, Firas, and فراس. “ Growth and Differentiation from Hypocotyls of Sun Flower Helianthus Annuus L”. Rafidain Journal of Science 21, no. 7 (June 24, 2025): 87–105. Accessed August 6, 2025. https://rjps.uomosul.edu.iq/index.php/rsci/article/view/12763.