Effectiveness of Citronella Oil Nanoemulsion on Phytophthora palmivora Butl. Black Pod Pathogen - Harni, Rita; (Phytopathology), (Scopus ID: 57196435496; H-index: 10) Balai Penelitian Tanaman Industri dan Penyegar (Pusat Penelitian dan Pengembangan Perkebunan, 2020)