Purwoko, T. (2026) “A Caffeine and Chlorogenic acids Concentrations and Organoleptic Test of Robusta Beans (Coffea canephora) Fermented with Microbial Starters ”, BERKALA PENELITIAN HAYATI JOURNAL OF BIOLOGICAL RESEARCHES, 32(2), pp. 65-72. Available at: https://ojs.berkalahayati.org/index.php/jurnal/article/view/953 (Accessed: 21August2026).