GAWOR, Leszek. Walery Goetel and the Idea of Sozology. Problemy Ekorozwoju , [S. l.], v. 8, n. 1, p. 83–89, 2013. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4863. Acesso em: 16 feb. 2026.