AMARAL, V. ANALYSIS THE IMPLEMENTATION OF QUALITY AND ENVIRONMENTAL MANAGEMENT IN PETROCHEMICAL INDUSTRIES. ENVIROSAN : Jurnal Teknik Lingkungan, [S. l.], v. 2, n. 1, p. 1–8, 2019. DOI: 10.31848/ejtl.v2i1.226. Disponível em: https://e-journal.ukri.ac.id/index.php/envirosan/article/view/226. Acesso em: 24 may. 2026.