A.  El Hadi, Mohamed, AND 		E. Ibrahim, Abdulla.
" Delineation of Water Bearing Formations in North Kordofan and West White Nile Area Using Vertical Electrical Sounding (VES) and Borehole Data" <em>Gezira Journal of Engineering and Applied Sciences</em> [Online], Volume 13 Number 1 (2 October 2018)