Tarumanegara, Fahmi. “PEMETAAN JARINGAN DAN STRUKTUR PERDAGANGAN INTERNASIONAL BIJI KOPI MENTAH 2001 – 2019”. JURNAL HUBUNGAN INTERNASIONAL INDONESIA 4, no. 1 (September 20, 2022): 101 - 116. Accessed August 17, 2025. https://jhii.fisip.unila.ac.id/index.php/jhii/article/view/6.