Putri CD, Trisnawati N, Gibran A, Kurniawan A, Putra IA, Utama GF, et al. Socialization On Improving The Quality Of Coffee Beans For Residents Of Muara Betung Village, Ulu Musi Sub-District District Four Lawang. J. Pengabdi. Mandiri [Internet]. 2025 Nov. 28 [cited 2026 Jun. 25];2(2):127-30. Available from: https://jurnalunived.com/index.php/MANDIRI/article/view/869