Rattanasreat, A. and 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), pp. 243–254. Available at: https://so05.tci-thaijo.org/index.php/phdssj/article/view/123032 (Accessed: 30 January 2023).