Ogbeibu’i AE, Omoigberalc MO. Envi ronmental Impact of Oil Exploration on the Crustacean Zooplankton of Osse River, Southern Nigeria. Pakistan Journal of Scientific & Industrial Research [Internet]. 2007 Aug. 9 [cited 2025 Jun. 8];50(4):266-72. Available from: http://www.biostaging.pjsir.org/index.php/biological-sciences/article/view/994