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Elysabet, Elysabet, & Suryo Sakti Hadiwijoyo.
" Analisis Geopolitik dan Geostrategi Indonesia Terhadap Kebijakan Penghentian Ekspor Timah Indonesia di Pasar Global." <em>Jurnal Ilmiah Widya Sosiopolitika</em> [Online], 5.2 (2023): 93-103. Web. 31 Aug. 2026