Wararatchai, Preecha, Chaturawat Thanitnan, Pornkiat Phakdeewongthep, Chanyanit Thanitnan, and Wissawa Aunyawong. 2020. “STRATEGIES FOR ENHANCING A COMPETITIVENESS OF BEVERAGE BUSINESS”. Journal for Developing the Social and Community 7 (2). Bangkok, Thailand:89-100. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/243433.