เมฆรา ณ. MEASURES FOR PROMOTING COMMUNITY PRODUCTS AND IMPROVING ITS ECONOMIC VALUE : THE CASE STUDY OF GEOGRAPHICAL INDICATION REGISTRATION FOR ROCK SALT IN BAN DUNG DISTRICT, UDON THANI PROVINCE. HSA [Internet]. 2023 Feb. 9 [cited 2024 May 19];3(2):61-74. Available from: https://so03.tci-thaijo.org/index.php/hsa/article/view/266282