Sudarti S, Bektiarso S, Harijanto A, Yushardi Y, Prihandono T, Sumardi S. Fermentation Method With the Help of Extremely Low Frequency (Elf) Magnetic Field Radiation to Support Luwak Coffee Superior Products In Sidomulyo Village, Silo District, Jember Regency, East Java. ujcs [Internet]. 2022 Sep. 30 [cited 2024 Dec. 23];3(3):101-4. Available from: https://jurnalpasca.unram.ac.id/index.php/UJCS/article/view/281