Narinsiree Chiangphan และ Rugphong Vongsaroj. (2023) Model for enhancing green practices in thailand hotel business. National Institute of Development Administration:ม.ป.ท.Narinsiree Chiangphan และ Rugphong Vongsaroj. 2023. Model for enhancing green practices in thailand hotel business. ม.ป.ท.:National Institute of Development Administration;Narinsiree Chiangphan และ Rugphong Vongsaroj. Model for enhancing green practices in thailand hotel business. ม.ป.ท.:National Institute of Development Administration, 2023. Print.