SaiduB. J.; BekaC. N.; LabiruM. A.; BoseM. M.; AbduA.; TogorM. M. B. PRELIMINARY INVESTIGATION OF THE CHEMICAL QUALITY OF DOMESTIC WATER SOURCES IN SELECTED COMMUNITIES OF LANGTANG AREA, PLATEAU STATE, NIGERIA. FUDMA JOURNAL OF SCIENCES, v. 6, n. 3, p. 234 - 242, 30 Jun. 2022.