Nurul Afwa Yustika Sari et al.trans. 2021. Fermentation of Arabica Coffee Brewing with Lactoacillus Casei Bacteria and Saccharomyces Cerevisiae Yeast and Toxicity Test. Jurnal Indah Sains dan Klinis. 2, 3 (Dec. 2021), 7–16. DOI:https://doi.org/10.52622/jisk.v2i3.32.