Willingness to Pay for Access to Piped Water using Hedonic Pricing Model. ETIKONOMI, [S. l.], v. 21, n. 1, p. 79–88, 2022. DOI: 10.15408/etk.v21i1.16984. Disponível em: https://journal.uinjkt.ac.id/etikonomi/article/view/16984. Acesso em: 21 nov. 2025.