"Effect of Cultivar and Gelling Agent on In Vitro Multiplication of Gerbera (Gerbera Jamesonii Bolus) Shoots". University of Khartoum Journal of Agricultural Sciences 24, no. 1 (مارس 28, 2023). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/uofkjas/article/view/1236.