Abul-Soad, A. A. “INFLUENCE OF INFLORESCENCE EXPLANT AGE AND 2,4-D INCUBATION PERIOD ONSOMATIC EMBRYOGENESIS OF DATE PALM”. Emirates Journal of Food and Agriculture, vol. 24, no. 5, Jan. 2012, pp. 434-43, https://www.ejfa.me/index.php/journal/article/view/904.