WASET
    O. O. Olawusi-Peters and  O. E. Aguda and  F. O. Okoye ,  Heavy Metals (Pb, Cu, Fe, and Zn) Level in Shellfish (Etheria elliptica), Water and Sediments of River Ogbese, Ondo State, Nigeria .   journal   = {International Journal of Animal and Veterinary Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2015, vol. 99(3). 331 - 334
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10001286.