PURWANTARA, Suhadi. KIPRAH SISTEM INFORMASI GEOGRAFIS DALAM MENYIKAPI FENOMENA ALAM. Informasi, [S. l.], v. 31, n. 1, 2005. DOI: 10.21831/informasi.v1i1.6742. Disponível em: https://journal.uny.ac.id/index.php/informasi/article/view/6742. Acesso em: 5 jul. 2025.