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Ika Putri Sulistiana, Suharyono, Subeki, Medina Alia Rahmawati, Suci Putri Ramadani, Pratami T. Optimization of Fermentation Time and Ghalkoff Microbial Concentration on Organic Robusta Coffee. Jur. Bio-Geo. Mat. E [Internet]. 2026 Apr. 4 [cited 2026 Apr. 20];6(2):97-107. Available from: https://www.online-journal.unja.ac.id/bigme/article/view/54165