Veerada Somphoch. (2011) Sustainable health and wellness tourism development of Ban Phon Rang hot spring in Ranong province, Thailand /. Naresuan University,:ม.ป.ท.Veerada Somphoch. 2011. Sustainable health and wellness tourism development of Ban Phon Rang hot spring in Ranong province, Thailand /. ม.ป.ท.:Naresuan University,;Veerada Somphoch. Sustainable health and wellness tourism development of Ban Phon Rang hot spring in Ranong province, Thailand /. ม.ป.ท.:Naresuan University, 2011. Print.