Widodo, Achmad, Akhmad Syari’udin, and Sultan. “Analisis Konstribusi Daya Saing Timah Nasional Di Pasar Global Terhadap Nilai Ekspor Indonesia”. Jurnal Ekuilnomi 6, no. 1 (February 28, 2024): 135–141. Accessed May 16, 2024. https://jurnal.usi.ac.id/index.php/ekuilnomi/article/view/1110.