Donsophon, Konkanok, Dr.Prathanporn Jhundra-indra, and Dr.Saranya Raksong. 2016. “Managerial Professionalism Strategy and Firm Success: Empirical Investigation of Hotel Businesses in Thailand”. AU-GSB E-JOURNAL 8 (2):141. http://www.assumptionjournal.au.edu/index.php/AU-GSB/article/view/2231.