Hartini, S., Cahyanti, M. N., & Safira, A. D. (2025). Optimization of Spent Coffee Ground Extraction for Kombucha Production: Effect of Temperature on Fermentation Dynamics and Antioxidant Activity. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 14(5), 1611–1618. https://doi.org/10.23960/jtepl.v14i5.1611-1618