Guma, E.I., Hussien, M.O., Salih, D.A., Salim, B. and Hassan, S.M. 2014. Prevalence of ticks (Acari: Ixodidae) and Theileria annulata antibodies in White Nile State, Sudan. Journal of Advanced Veterinary and Animal Research. 2, 1 (Dec. 2014), 69–73.