Application of membrane filtration technology as a solution for supplying drinking water to rural communities in developing countries. Lessons learned from using the “Waterbackpack Paul” filter in Colombia, challenges and obstacles. REVISTA AMBIENTAL AGUA, AIRE Y SUELO, [S. l.], v. 5, n. 1, p. 1–8, 2014. DOI: 10.24054/aaas.v5i1.1995. Disponível em: https://ojs.unipamplona.edu.co/index.php/aaas/article/view/1995. Acesso em: 16 oct. 2025.