Kinasih, Dinda Retno, and Ladi Wajuba Perdini Fisabilillah. “Pola Kausalitas Nilai Tukar Rupiah Dan Ekspor Kopi Indonesia Ke Amerika Serikat”. Independent: Journal of Economics 2, no. 2 (January 29, 2023): 136–142. Accessed March 14, 2025. https://ejournal.unesa.ac.id/index.php/independent/article/view/50945.