Denise, E. M., O. Okhator, G. P. Affah, and M. C. Anyadike. “PHYSICOCHEMICAL PROPERTIES AND PERIPHYTIC ALGAE OF IKOT EBAK RIVER, ESSIEN UDIM LGA, AKWA IBOM STATE”. FUDMA JOURNAL OF SCIENCES, Vol. 6, no. 2, May 2022, pp. 18 -23, doi:10.33003/fjs-2022-0602-924.