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 . JJSR [Internet]. 2025 Dec. 12 [cited 2026 Oct. 27];10(2):232-41. Available from: https://jjsr.org/index.php/jjsr/article/view/148