PICARDAL, M. T.; RAPIRAP, E. M. G.; MICAME, L. I.; TURA, M. J. B.; BARRIENTOS, O. N.; KIMILAT, R. A.; SARNILLO, A. C.; POROL, A. L. Drinking Water Quality from Water Vending Machines in Selected Public Schools in Cebu City, Philippines. Environmental Science & Sustainable Development, [S. l.], v. 3, n. 1, p. 1–9, 2018. DOI: 10.21625/essd.v3iss1.253. Disponível em: https://press.ierek.com/index.php/ESSD/article/view/253. Acesso em: 18 may. 2026.