Firmansyah, M. A., Yuliani, N., Nugroho, W., & Bhermana, A. (2013). Suitability of Tidal Swamp for Rubber Plantation in Three Villages of Ex Rice Mega Project, Pulang Pisau Regency, Central Kalimantan Province. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, 1(2). https://doi.org/10.33230/JLSO.1.2.2012.20