Application of Water Quality Index (WQI) and Principal Component Analysis (PCA) in Assessment of Water Quality Status of River Gongola at Yamaltu Deba, Gombe State, Nigeria . Jewel Journal of Scientific Research, [S. l.], v. 10, n. 2, p. 232–241, 2025. Disponível em: https://jjsr.org/index.php/jjsr/article/view/148. Acesso em: 27 oct. 2026.