Herudin, H., E. . Yurisinthae, and A. . Suyatno. “Conversion of Rubber Farming to Oil Palm Farming in Belitang Hilir, Sekadau Regency”. Jurnal Sosial Ekonomi Pertanian, vol. 18, no. 1, Nov. 2021, pp. 27-39, doi:10.20956/jsep.v18i1.18459.