Aviruth Charoensup. (2019) Remodeling old Structure to Boutique and Budget Hotel: Case Study: I River Chiang Mai Hotel Thailand,Thailand. Rangsit University:ม.ป.ท.Aviruth Charoensup. 2019. Remodeling old Structure to Boutique and Budget Hotel: Case Study: I River Chiang Mai Hotel Thailand,Thailand. ม.ป.ท.:Rangsit University;Aviruth Charoensup. Remodeling old Structure to Boutique and Budget Hotel: Case Study: I River Chiang Mai Hotel Thailand,Thailand. ม.ป.ท.:Rangsit University, 2019. Print.