GUNARDO, Gunardo. AMERIKA SERIKAT MENCARI RUANG HIDUP DI SELURUH DUNIA. Geo Media: Majalah Ilmiah dan Informasi Kegeografian, [S. l.], v. 5, n. 1, 2017. DOI: 10.21831/gm.v5i1.14208. Disponível em: https://jurnal.uny.ac.id/index.php/geomedia/article/view/14208. Acesso em: 15 may. 2025.