Asiah, N., W. David, K. E. Suyantini, M. R. Nuralamsyah, R. M. Astuti, and S. G. Hidayat. “Physical Characteristic and Sensory Profile of Lampung Robusta Coffee at Various Roasting Degree”. Pelita Perkebunan (a Coffee and Cocoa Research Journal), Vol. 41, no. 1, Apr. 2025, pp. 8-21, doi:10.22302/iccri.jur.pelitaperkebunan.v41i1.640.