Iskandar, I., and I. Hartini. “Analysis of the Efficiency and Marketing Channels for Robusta Coffee Beans (Coffea Robusta) in Pulau Village, Pajar Bulan Subdistrict, Lahat”. Jurnal Multidisiplin Dehasen (MUDE), Vol. 5, no. 3, June 2026, pp. 1391-6, doi:10.37676/mude.v5i3.11603.