ALVAREZ, Mae Shayne. 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, Philippines, v. 1, n. 1, p. 264–279, 2008. DOI: 10.7719/jpair.v1i1.41. Disponível em: https://www.philair.ph/index.php/jpair/article/view/41. Acesso em: 2 may. 2025.