Alvarez, M.S. (2008) “A Cross-Sectional Study on the Extent of Fecal Contamination of Cagayan De Oro River along Five Urban Barangays and the Factors Affecting Contamination, October 2007 - January 2008”, JPAIR Multidisciplinary Research, 1(1), pp. 264–279. doi:10.7719/jpair.v1i1.41.