VENKATESH, G. Interpreting Sustainability Using Robert Pirsig’s Levels of Quality. Problemy Ekorozwoju, [S. l.], v. 6, n. 2, p. 63–66, 2011. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4782. Acesso em: 22 jul. 2024.