MARSELINA DJAYASINGA; RIA VIRSA. WILLINGNESS TO PAY (WTP) BY CONTINGENT VALUATION METHOD (CASE STUDY: WASTE MANAGEMENT SERVICES). GEOMATE Journal, [S. l.], v. 17, n. 62, p. 59–64, 2019. Disponível em: https://geomatejournal.com/geomate/article/view/614. Acesso em: 3 feb. 2026.