Abi Zulkarnain, Muhammad, Eka Kasymir, and Yuliana Saleh. “Analisis Nilai Tambah, Pendapatan, Dan Bauran Pemasaran Kopi Pada Agroindustri Kopi Bubuk Klangenan Pringsewu”. Journal of Food System and Agribusiness 7, no. 2 (October 31, 2023): 141-152. Accessed November 21, 2024. https://jurnal.polinela.ac.id/JFA/article/view/2231.