Shaimaa S.Mohamed-Ali, Jasim M. Salman, Ayad M. J. Almamoori, “A study of some environmental biomarkers in fresh water clam (Unio tigridis) and fresh water crab (Sesarma boulengeri) in Hilla river”, mesop. environ. j, vol. 3, no. 1, pp. 45–59, Mar. 2022.