TY - BOOK AU - MOKUA GEORGE OGENDI TI - EFFECTS ON ANTROPOGENIC ACTIVITIES ON WATER QUALITY OF NYAKOMISARO -RIANA AND NYANCHWA -RIANA RIVERSDRAINING KISII MUNICIPALITY ,SOUTH -WEST KENYA AV - THE:TD 370.M65 2016 PY - 2016/// CY - KENYA PB - KISII UNIVERSITY ER -