B. M. Silalahi and . Supijatno, “Pengelolaan Limbah Kelapa Sawit (Elaeis guineensis Jacq.) di Angsana Estate, Kalimantan Selatan”, Bul. Agrohorti, vol. 5, no. 3, pp. 373–383, Nov. 2017, doi: 10.29244/agrob.v5i3.16483.