Hamza, Asma, 		Himeidan, Yousif El-Safi, 		Adam, Ishag, AND 		El-Rayah, El-Amin.
" THE ECOLOGY OF ANOPHELES ARABIENSIS AND  INSECTICIDE RESISTANCE/ SUSCEPTIBILITY STATUS  IN KASSALA AREA, EASTERN SUDAN" <em>Gezira Journal of Health Sciences</em> [Online], Volume 1 Number 2 (1 January 2005)