Rennata, Adella Vrida, Sugianto, and Ani Riani Hasana. 2024. “Perbandingan Kadar Coffein Pada Ekstrak Daun Dan Bunga Kopi Di Tirtoyudo Kabupaten Malang Dengan Pengeringan Suhu 60°C, 80°C Dan 100°C”. Journal of Multidisciplinary Inquiry in Science, Technology and Educational Research 1 (4):1918-28. https://doi.org/10.32672/mister.v1i4.2137.