Saennampol, N., Madhyamapurush, W. ., Pakdeepinit, P. ., & Sreesoompong, P. . (2021). Economic Returns to Travel and Hospitality Businesses in Hot Spring Attraction Areas in The Upper Northern Provinces of Thailand. AU-GSB E-JOURNAL, 14(2), 93-102. https://doi.org/10.14456/augsbejr.2021.18