H. M. Saleh, F. H. Aboud, N. Kh. Mousa, and F. H. Said. “Evalution of Efficiency of Verticillium Lecanii and Beauveria Bassiana to Control Agrotis Oipsillia ”. Journal of Madenat Alelem University College, Vol. 2, no. 2, Dec. 2010, pp. 5-12, http://116.203.176.164/index.php/JMAUC/article/view/273.