NasutionA. A., SopandieD., and LontohA. P., “Pengelolaan Gulma Kelapa Sawit (Elaeis guineensis Jacq.) di Kebun Negeri Lama Selatan, Sumatera Utara”, Bul. Agrohorti, vol. 12, no. 1, pp. 1-12, Jan. 2024.