Njoku, H. I. (2019). Assessment of heavy metal in domestic waters in four local government area of Osun State,Nigeria. Obafemi Awolowo University.
Chicago-referens (17:e uppl.)Njoku, Happiness Ihechi. Assessment of Heavy Metal in Domestic Waters in Four Local Government Area of Osun State,Nigeria. Obafemi Awolowo University, 2019.
MLA-referens (9:e uppl.)Njoku, Happiness Ihechi. Assessment of Heavy Metal in Domestic Waters in Four Local Government Area of Osun State,Nigeria. Obafemi Awolowo University, 2019.
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