Hendrajit, Hendrajit. “Pergeseran Sentral Geopolitik Internasional, Dari Heartland Ke Asia Pasifik”. Jurnal Lemhannas RI 5, no. 1 (August 15, 2020): 31-41. Accessed May 19, 2024. https://jurnal.lemhannas.go.id/index.php/jkl/article/view/132.