MITLLARI, Eralda; KASIMATI, Mimoza. Is Preference for Monetary/Nonmonetary Rewards Related with the Level of Income?. European Scientific Journal, ESJ, [S. l.], v. 15, n. 4, p. 215, 2019. DOI: 10.19044/esj.2019.v15n4p215. Disponível em: https://test.eujournal.org/index.php/esj/article/view/11767. Acesso em: 18 apr. 2025.