ŻAKOWSKA, H. Packaging waste recycling systems — selected legal, organizational and economical problems in Poland. Polimery, [S. l.], v. 57, n. 9, p. 613-619, 2012. Disponível em: https://ichp.vot.pl/index.php/p/article/view/857. Acesso em: 22 jul. 2024.