Rattanasreat, A., & Kumboon, B. (2020). The Relative of Quality of Service, Value-added Innovation and Electronic Marketing Influencing that Affect the Performance of Small Hotel and Guest Houses in Thailand. Ph.D. In Social Sciences Journal, 10(1), 243–254. Retrieved from https://so05.tci-thaijo.org/index.php/phdssj/article/view/123032