D. Akachukwu, U. Mbakwe & I. A. Okoro. (2017). Assessment of Heavy Metal Content of Njere River in Umuakam, Okaiuga Nkwoegwu, Umuahia North L.G.A. Archives of Current Research International, 8(1), 1–5. https://doi.org/10.9734/ACRI/2017/34334