Pannamathr, Aparadee, and Mongkol Ekkaphan. “Retailing Mix Strategies Affecting Business Success of Civil State Blue Flag Shops in Roi Et Province”. Journal of Roi Et Rajabhat University 18, no. 2 (August 30, 2024): 3–14. accessed September 11, 2026. https://so03.tci-thaijo.org/index.php/reru/article/view/275986.