Azis, A., and L. N. Arifa. “Development of Coffee Product Downstream Through The Omah Kopi Community in Tirtoyudo Malang”. Abdi: Jurnal Pengabdian Dan Pemberdayaan Masyarakat, vol. 6, no. 4, Nov. 2024, pp. 672-6, doi:10.24036/abdi.v6i4.908.