TAVÁREZ, H.; ÁLAMO, C.; NIEVES, E.; FLORES, C. Using contingent valuation to estimate consumers’ willingness to pay for differentiated coffees in Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 105, n. 1, p. 1–21, 2021. DOI: 10.46429/jaupr.v105i1.19632. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/19632. Acesso em: 20 mar. 2023.