Juwita, Y., Karman, J., Hutapea, Y., & Suparwoto, S. (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