GEHANSAPUTRA, K.; PURNOMO, Y. S. Evaluasi Jejak Karbon Kegiatan Perkuliahan di UPN “Veteran” Jawa Timur. ENVIROSAN : Jurnal Teknik Lingkungan, [S. l.], v. 6, n. 1, p. 29–34, 2023. DOI: 10.31848/ejtl.v6i1.1362. Disponível em: https://e-journal.ukri.ac.id/index.php/envirosan/article/view/1362. Acesso em: 24 may. 2026.