"SEROSURVEILLANCE OF EHRLICHIA RUMINANTIUM ANTIBODIES OF SHEEP USING MAP1-B ELISA IN SENNAR STATE, SUDAN". Journal of Veterinary Medicine and Animal Production 1, no. 1 (نوفمبر 22, 2022). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/vet/article/view/1202.