Ogbeibu’i, A. E. and Omoigberalc, M. . O. (2007) “Envi ronmental Impact of Oil Exploration on the Crustacean Zooplankton of Osse River, Southern Nigeria”, Biological Sciences - PJSIR, 50(4), pp. 266–272. Available at: http://www.biostaging.pjsir.org/index.php/biological-sciences/article/view/994 (Accessed: 8 June 2025).