Rizky Amelia, Dian, Antoni Ludfi Arifin, dan Eric Hermawan. “THE INFLUENCE OF THE AMOUNT OF COFFEE PRODUCTION, VALUE EXCHANGE AND INFLATION ON COFFEE EXPORTS INDONESIA 2016—2020”. JPIM (Jurnal Penelitian Ilmu Manajemen) 7, no. 3 (Februari 22, 2023): 431–441. Diakses Mei 5, 2024. https://jurnalekonomi.unisla.ac.id/index.php/jpim/article/view/1563.