ELBESHEHY, E., H. AL-ZAHRANI, A. ALDHEBIANI, and T. ELBEAINO. “Viruses Infecting Periwinkle (<em>Catharanthus roseus</Em> L.) in Western Saudi Arabia”. Phytopathologia Mediterranea, vol. 56, no. 3, Jan. 2018, pp. 479-85, doi:10.14601/Phytopathol_Mediterr-20481.