GabrielA., zaman sofyan and Supijatno (2023) “Pengelolaan Sistem Panen Kelapa Sawit (Elaeis guineensis Jacq.) di Kebun Rambutan, Serdang Berdagai, Sumatera Utara”, Buletin Agrohorti, 11(3), pp. 331-337. doi: 10.29244/agrob.v11i3.48629.