“THE ECONOMIC VALUATION OF AREN (Arenga pinnata MERR) AT KIYAP JAYA VILLAGE BANDAR SEIKIJANG DISTRICT PELALAWAN REGENCY RIAU PROVINCE” (2022) Jurnal Ilmu Ilmu Kehutanan, 6(1), pp. 16–23. doi:10.31258/jiik.6.1.16-23.