Hamad, A., Dwi Nugraheni, Sari, B. W. and Naveed, M. (2023) “Decaffeination of Coffee Bean Using Fermentation Process: Effect of Starter Concentration and Varieties on The Reduction of Caffeine and Antioxidant Activity”, Research in Chemical Engineering, 2(2), pp. 57–62. doi: 10.30595/rice.v2i2.85.