Gehansaputra K, Purnomo YS. Evaluasi Jejak Karbon Kegiatan Perkuliahan di UPN “Veteran” Jawa Timur. EJTL [Internet]. 2023Jul.4 [cited 2026Jun.1];6(1):29-34. Available from: https://e-journal.ukri.ac.id/envirosan/article/view/1362