Chiangphan, N., and R. Vongsaroj. “Exploring Green Factors and Green Practices: A Case Study of Thailand’s Best Green Small Hotel”. Journal of Multidisciplinary in Social Sciences, vol. 20, no. 1, Mar. 2024, pp. 16-28, https://so03.tci-thaijo.org/index.php/sduhs/article/view/269787.