“THE EFFECTIVENESS OF REBOIZATION TO THE QUALITY OF SIAK RIVER IN THE VILLAGE OF MAREDAN SUBDISTRICT OF TUALANG”. Jurnal Ilmu Ilmu Kehutanan, vol. 2, no. 1, Feb. 2018, pp. 9-14, https://jiik.ejournal.unri.ac.id/index.php/JIIK/article/view/38.