Humanika E, Laily DW, Irianto H. Upstream Supply Chain Performance Efficiency: Case Study of Creator Coffee Roaster in Yogyakarta. J. AGRISEP: Kaj. Mas. Sos. Ek. Pert. n. Agr. [Internet]. 2025 Sep. 22 [cited 2025 Sep. 27];24(02):601-16. Available from: https://ejournal.unib.ac.id/agrisep/article/view/38199