Pengolahan limbah dan peningkatan kualitas mutu tanaman kopi di Desa Sriwulan. Ruang Cendekia : Jurnal Pengabdian Kepada Masyarakat, [S. l.], v. 2, n. 4, p. 168–174, 2023. DOI: 10.55904/ruangcendekia.v2i4.951. Disponível em: https://jurnal.arkainstitute.co.id/index.php/ruang-cendekia/article/view/951. Acesso em: 20 oct. 2025.