RAMANATHAN, T.; PERAMUNAGAMA, S. S. M. Estimating the Willingness to Pay for Existing Domestic Drinking Water Service: Residential Customer Satisfaction Index Model . Advances in Technology, [S. l.], v. 1, n. 3, p. 472–482, 2021. DOI: 10.31357/ait.v1i3.5293. Disponível em: https://journals.sjp.ac.lk/index.php/ait/article/view/5293. Acesso em: 15 jul. 2024.