Rizkyanto, R., Nova, B., Wati, L. and Lubis, P. 2026. Effect of Washed Process Fermentation on Specialty Coffee Flavor. International Journal of Eco-Innovation in Science and Engineering (IJEISE). 7, 01 (May 2026), 47–52. DOI:https://doi.org/10.33005/ijeise.v7i01.218.