T. Yousif, Mohamed, Gasim A. Dafalla, & Ali E. El Jack. " Identification of a Natural Source of Resistance to Watermelon Chlorotic Stunt Virus in an Indigenous Accession of Cucumis Melo Var. Agrestis." Gezira Journal of Agricultural Science [Online], 1.1 (2003): 113-117. Web. 4 Jun. 2026