Thanapotivirat, P., Homboonyong, W., Amornsittinon, A., Nakmuang, P., Nanakorn, N. and Sookanan, C. 2022. Guidelines for Selling Hotel Rooms During COVID-19 Crisis: A Case Study of Hotels in Koh Samui. Dusit Thani College Journal. 16, 2 (Aug. 2022), 143–157.