Akinnusotu, A., J. E. Ukpebor, and F. E. Okieimen. “Assessment of polycyclic aromatic hydrocarbons in the soil around River Owan in Edo State, Nigeria: Occurrence, distribution, source, and health risk”. Engineering and Applied Science Research, vol. 51, no. 3, May 2024, pp. 399-08, https://ph01.tci-thaijo.org/index.php/easr/article/view/253724.