Natau, A. A., and M. Mariana. “Leaf Spot Disease in Oil Palm (Elaeis Guineensis Jacq.) Nurseries in Tanah Laut Regency”. JURNAL PROTEKSI TANAMAN TROPIKA, vol. 9, no. 3, Oct. 2026, pp. 1518-2, doi:10.20527/jptt.v9i3.3948.