Syukri, D.; Alif, M. F. .; Fiana, R. M. .; Atika, Y. .; Natasya, D. A. .; Sulthan, M. . Enhancing Coffee Farmers’ Knowledge of Robusta Bean Quality through "Bean-to-Cup&Quot; Training in Nagari Simpang Utara, Pasaman Regency. And. Int. J. Social. Entre. Devel. 2026, 6, 26-32.