Aswat, J. et al. 2023. Efficiency of Robusta Coffee Supply Chain Performance in Kubu Raya Regency, West Kalimantan Province. Jurnal Penelitian Pertanian Terapan. 23, 4 (Dec. 2023), 538–546. DOI:https://doi.org/10.25181/jppt.v23i4.2976.