فهرس المقالات Permissible levels حرية الوصول المقاله صفحة الملخص نص كامل 1 - Petroleum Hydrocarbons and Heavy Metals Risk of Consuming Fish Species from Oguta Lake, Imo State, Nigeria Verla Andrew wirnkor Opara Alexander Iheanyichukwu Enyoh Christian Ebere Verla Evelyn Ngozi Ohazurike Natheniel C Okoro U. Kingsley Ibe Francis Chizoruo Ahuocha Pauline Amaka 10.22034/jchr.2020.584959.1017
