ERHENHI , O. H.; OMOIGBERALE , O. M. USING WATER QUALITY INDEX AND PRINCIPAL COMPONENT ANALYSIS FOR THE ASSESSMENT OF WATER QUALITY OF THE ETHIOPE RIVER, DELTA STATE, NIGERIA. NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT, [S. l.], v. 18, n. 1, 2022. Disponível em: https://delsunjse.com/index.php/njse/article/view/60. Acesso em: 25 apr. 2024.