RENNATA, A. V.; SUGIANTO; HASANA, A. R. 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, [S. l.], v. 1, n. 4, p. 1918–1928, 2024. DOI: 10.32672/mister.v1i4.2137. Disponível em: https://jurnal.serambimekkah.ac.id/index.php/mister/article/view/2137. Acesso em: 21 nov. 2025.