Zhang. Luya และ Supot Rattanapun. (2022) Tourism promotional activities of Wuzhishan, Hainan province, China. Rajamangala University of Technology Krungthep:ม.ป.ท.Zhang. Luya และ Supot Rattanapun. 2022. Tourism promotional activities of Wuzhishan, Hainan province, China. ม.ป.ท.:Rajamangala University of Technology Krungthep;Zhang. Luya และ Supot Rattanapun. Tourism promotional activities of Wuzhishan, Hainan province, China. ม.ป.ท.:Rajamangala University of Technology Krungthep, 2022. Print.