KELM, Robert. The Purchasing Power Parity Puzzle and Imperfect Knowledge The Case of the Polish Zloty. Central European Journal of Economic Modelling and Econometrics, [S. l.], v. 9, n. 1, p. 1–27, 2017. DOI: 10.24425/cejeme.2017.122198. Disponível em: https://wydawnictwo.pan.pl/index.php/cejeme/article/view/157. Acesso em: 28 feb. 2026.