MICHAL, Jakub; SUJOVÁ, Andrea. Economic benefits and limitations arising from voluntary forest certification. Forum Scientiae Oeconomia, [S. l.], v. 4, n. 4, p. 119–125, 2016. Disponível em: https://ojs.wsb.edu.pl/index.php/fso/article/view/202. Acesso em: 18 sep. 2026.