Zarka, V., L. Velich, and Gy. Bisztray. “In Vitro Regeneration from Cotyledons of Watermelon”. International Journal of Horticultural Science 6, no. 4 (August 23, 2000): 96–98. Accessed May 14, 2021. https://ojs.lib.unideb.hu/IJHS/article/view/233.