Ebuete, A. W., N. I. Puanoni, Y. I. Ebuete, and E. Ebuete. “Water Quality Index (NSFWQI) of the River Nun, Bayelsa State, Nigeria”. American Journal of Environment and Climate, vol. 2, no. 2, July 2023, pp. 15-22, doi:10.54536/ajec.v2i2.598.