Luneto, Riska. “Government Intervention and the Improvement of Competitiveness of the National Coffee Industry: The Case of Indonesian Gayo Coffee”. JISPO Jurnal Ilmu Sosial dan Ilmu Politik 12, no. 1 (July 16, 2022): 63–80. Accessed February 8, 2026. https://journal.uinsgd.ac.id/index.php/jispo/article/view/14638.