Al-Shaibani, E., Dobian, A.S., Hassan, N.A. and Al-Shwafi, N.A. 2015. Digestive gland alterations in Bivalves (Tivela ponderosa) exposed to Mareb crude oil, dispersed oil with dispersant, dispersant (Histological study). University of Aden Journal of Natural and Applied Sciences. 19, 2 (Aug. 2015), 341–351. DOI:https://doi.org/10.47372/uajnas.2015.n2.a08.