CHOPRA, V. .; DAS, S. Estimating Willingness to Pay for Wastewater Treatment in New Delhi: Contingent Valuation Approach. Ecology, Economy and Society–the INSEE Journal, [S. l.], v. 2, n. 2, p. 75–108, 2022. DOI: 10.37773/ees.v2i2.78. Disponível em: https://ecoinsee.org/journal/ojs/index.php/ees/article/view/78. Acesso em: 5 may. 2024.