Prasetyo, Hari, and Sofyan Zaman. “Pengendalian Gulma Perkebunan Kelapa Sawit (Elaeis Guineensis Jacq.) Di Perkebunan Padang Halaban, Sumatera Utara”. Buletin Agrohorti 4, no. 1 (January 25, 2016): 87–93. Accessed January 13, 2026. https://journal.ipb.ac.id/bulagron/article/view/15005.