Open Science Research Excellence
T. Utarasakul,  Environmental Management System for Tourist Accommodations in Amphawa, Samut Songkram,Thailand.   journal   = {International Journal of Social, Behavioral, Educational, Economic, Business and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2012, vol. 68(8). 1996 - 2000[viewed 16 February 2019]. Available from: http://waset.org/publications/10875.