Morphology and morphometry of the liver of the camel (Camelus dromedaries), 2002, M.V.Sc _thesis University of Khartoum, Sudan.
Diet-dependent morphological changes of the rumen epithelium in sheep, 2007, Verlag Dr.Koster Berlin, 2007. ISBN 978-3-89574-643-7(Ph.D_ Thesis University of Free University of Berlin, Germany).