NWAUGO, Victor Oluoha; ONYEAGBA, Reginald Azuonye; AZU, Nelson; NWORIE, Okoro. PETROLEUM PRODUCED (FORMATION) WATER INDUCED CHANGES IN BACTERIAL QUALITY AND SOIL ENZYMATIC ACTIVITIES IN A FARMLAND IN EGBEMA SOUTHERN NIGERIA. Estudos de Biologia, [S. l.], v. 29, n. 66, 2007. DOI: 10.7213/reb.v29i66.22751. Disponível em: https://periodicos.pucpr.br/estudosdebiologia/article/view/22751. Acesso em: 14 dez. 2025.