“Envi ronmental Impact of Oil Exploration on the Crustacean Zooplankton of Osse River, Southern Nigeria” (2007) Biological Sciences - PJSIR, 50(4), pp. 266–272. Available at: http://www.v2.pjsir.org/index.php/biological-sciences/article/view/994 (Accessed: 19 March 2026).