THE ECONOMIC VALUATION OF AREN (Arenga pinnata MERR) AT KIYAP JAYA VILLAGE BANDAR SEIKIJANG DISTRICT PELALAWAN REGENCY RIAU PROVINCE. Universitas Riau [Internet]. 2022 Feb. 18 [cited 2025 Aug. 2];6(1):16-23. Available from: https://jiik.ejournal.unri.ac.id/index.php/JIIK/article/view/75