Pires PP, Peixoto JM, Ribas Jr. R de C, de Souza MA. Environmental Values as Mediators of the Influence of Altruism and Frugality over Material Sacrifice. RIP/IJP [Internet]. 2020 Aug. 31 [cited 2026 Apr. 4];54(2):e1001. Available from: http://sip2013.sipsych.org/ojs-/index.php/IJP/article/view/1001