Irfanda, Munandar, and Edi Santosa. 2016. “Peramalan Produksi Kelapa Sawit (Elaeis Guineensis Jacq.) Di Perkebunan Sei Air Hitam Berdasarkan Kajian Faktor Agroekologi”. Buletin Agrohorti 4 (3), 282-87. https://doi.org/10.29244/agrob.v4i3.14257.