SAPTUTYNINGSIH, E.; BASUKI, A. T. HEDONIC VALUATION OF MARGINAL WILLINGNESS TO PAY FOR AIR QUALITY IMPROVEMENT. Economic Journal of Emerging Markets, [S. l.], v. 4, n. 2, p. 163–172, 2014. DOI: 10.20885/ejem.v4i2.3318. Disponível em: https://journal.uii.ac.id/JEP/article/view/3318. Acesso em: 21 nov. 2024.