Wattanapunkitt, Pattratida. 2021. “INFLUENCE OF HUMAN CAPITAL DEVELOPMENT ON HOTEL BUSINESSES’ COMPETITIVE ADVANTAGE AND OPERATIONAL SUCCESS IN THE UPPER NORTHERN REGION’S SECONDARY CITIES”. Dusit Thani College Journal 15 (2):1-15. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/249329.