SinabutarP., NugrohoB., KartodihardjoH. and DarusmanD. (2014) “Reforming the Gazettment of State Forest Area in Riau Province”, Jurnal Manajemen Hutan Tropika. Bogor, INA, 20(3), pp. 179-186. doi: 10.7226/jtfm.20.3.179.