Sarimana, Upit, et al. “Studi Pendahuluan Keanekaragaman Genetik Kelapa Sawit Asal Kamerun Di PT. Binasawit Makmur”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, vol. 8, no. 2, Oct. 2019, pp. 126-33, doi:10.33230/JLSO.8.2.2019.424.