Purba, V., Alamianti, D. and Azhar, D. A. (2022) “Pelatihan Model Bisnis Kanvas Bagi Penyangrai Kopi Rumahan”, Jurnal Pengabdian Tri Bhakti, 4(2), pp. 87–92. doi: 10.36555/jptb.v4i2.2189.