Baah, G. A., and B. W. Lawson. “Mercury Distribution and Concentration in Nile Tilapia (Oreochromis Niloticus) and Catfish (Clarius Gariepinus)”. The International Journal of Science & Technoledge, vol. 7, no. 12, Dec. 2019, doi:10.24940/theijst/2019/v7/i12/149606-3692.