1.
H. Khdheyer F. Role of the Caffeine (1,3,7 trimethylxanthine) on Callus Initiation, Growth and Differentiation from Hypocotyls of Sun Flower Helianthus annuus L. RSCI [Internet]. 2010 Oct. 1 [cited 2025 Sep. 29];21(7):87-105. Available from: https://jwups.uomosul.edu.iq/index.php/rsci/article/view/47413