Zulkarnain, Machfud, Marimin, Emmy Darmawati, Sugiarto. RANCANGAN MODEL PURWARUPA KEMASAN KOPI SPECIALTY. J.Tek.Ind.Pert. [Internet]. 2020Apr.15 [cited 2024Apr.29];30(1). Available from: https://jai.ipb.ac.id/index.php/jurnaltin/article/view/31670