MirazaMuhammad Irfan, and Memen Surahman. “Hubungan Angka Kerapatan Panen Dan Sistem Rotasi Panen Dengan Produktivitas Kelapa Sawit (Elaeis Guineensis Jacq.) Di Sumatera Utara”. Buletin Agrohorti 3, no. 1 (January 15, 2015): 59-64. Accessed May 10, 2024. https://jai.ipb.ac.id/index.php/bulagron/article/view/15494.