Juwita, Yuana, Joni Karman, Yanter Hutapea, and Suparwoto Suparwoto. 2020. “Suitability of Rubber Plantation Land Intercropped With Corn (Zea Mays L) Plants in Betung Village of Banyuasin District”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 9 (1):73-79. https://doi.org/10.33230/JLSO.9.1.2020.435.