Carnelian, Chikitta, Daru Purnomo, and Adrianus Bintang Hanto Nugroho. 2017. “Strategi Energi Vladimir Putin Dalam Mempertahankan Dominasi Rusia Di Negara-Negara Baltik”. Cakrawala Jurnal Penelitian Sosial 6 (1):1-34. https://ejournal.uksw.edu/cakrawala/article/view/1285.