Raudha Anggraini Tarigan, Sinta Nauli Marbun and Abdul Rahman 2024. Exploration and Diseases Identification of the Leaf Spots on Palm Oil in Tapanuli Tengah Regency. Jurnal Online PERTANIAN TROPIK. 10, 3 (Mar. 2024), 1-6. DOI:https://doi.org/10.32734/jpt.v10i3.15710.