Environmental Sustainability Practices and Marketing Performance of Portable Water Producers in Abia State, Nigeria. British Journal of Multidisciplinary and Advanced Studies, [S. l.], v. 7, n. 2, p. 1–25, 2026. DOI: 10.37745/bjmas.0515. Disponível em: https://bjmas.org/index.php/bjmas/article/view/1460. Acesso em: 2 mar. 2026.