Effectiveness of Clove, Neem and Reutealis Trisperma Oils, and Ageratum Conyzoides Extract on Coffee Leaf Rust Disease (Hemileia vastatrix) - Taufiq, Efi; Balai Penelitian Tanaman Industri dan Penyegar (Pusat Penelitian dan Pengembangan Perkebunan, 2021)