Mongkolsamai V. The Study of Cost and Return of the Dipterocarpus Alatus Roxb. Ex G. Don. Production in Yang Neeng Subdistrict, Chiangmai Province. GS KKU HS [internet]. 2021 Oct. 17 [cited 2026 Sep. 14];9(2):13-24. available from: https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/235630