Noer, Irmayani, and Sri Handayani. “Supply Chain of Coffee Bean (Case Study of Coffee Production Centers in West Lampung Regency)”. Jurnal Penelitian Pertanian Terapan 23, no. 2 (July 3, 2023): 262-271. Accessed July 22, 2024. https://jurnal.polinela.ac.id/jppt/article/view/2762.