Evaluation of Fluidized-Bed and Drum Roaster Performance in Roasting of Robusta Green BeanAri Rahayuningtyas, Cecep E Ardiasnyah, Fitri Setiyoningrum, Daing Sagita, Arie Sudaryanto, Maulana Furqon, Fina Nurwidha, Dede Zainal Arief and Dadang HidayatBIO Web Conf., 69 (2023) 03006DOI: https://doi.org/10.1051/bioconf/20236903006