OKWAKPAM, I. O.; 						BARANGO, S. L.; 						ONUGHA, A. C..
 Assessment of Heavy Metal Contamination of Crude Oil impacted Sites in Mangrove Ecosystem of Degema Local Government Area, Rivers State.
<strong>NIU Journal of Social Sciences</strong>, [S.l.], v. 10, n. 4, p. 77-86, dec. 2024.
ISSN 3007-1690.
Available at: &lt;<a href="https://www.niujournals.ac.ug/ojs/index.php/niujoss/article/view/2032" target="_new">https://www.niujournals.ac.ug/ojs/index.php/niujoss/article/view/2032</a>&gt;. Date accessed: 12 july 2026.
doi: <a href="https://doi.org/10.58709/niujss.v10i4.2032">https://doi.org/10.58709/niujss.v10i4.2032</a>.