Saputra, Anggara Wiyono Wit, et al. “Penerapan Teknologi Tepat Guna Dalam Peningkatan Produksi Kopi Wilis Di BUMDesa Barokah Desa Ngebel, Kabupaten Ponorogo, Jawa Timur: The Application of Appropriate Technology in Improving the Coffee Production of Wilis Coffee at BUMDesa Barokah, Ngebel Village, Ponorogo Regency, East Java”. PengabdianMu: Jurnal Ilmiah Pengabdian Kepada Masyarakat, vol. 10, no. 8, Aug. 2025, pp. 1944-52, https://doi.org/10.33084/pengabdianmu.v10i8.9580.