Noer, Irmayani, dan Sri Handayani. “JARINGAN RANTAI PASOK KOPI BIJI”. Jurnal Penelitian Pertanian Terapan 23, no. 2 (Juli 3, 2023): 262-271. Diakses Mei 20, 2024. https://jurnal.polinela.ac.id/jppt/article/view/2762.