Jirapa Wongtao. 2007. The impact of sustainable tourism development on human resourse management in hotel industry : a case study of Chiang Rai province. Field of Study International Tourism and Hotel Management, Naresuan University;
Jirapa Wongtao. (2007) The impact of sustainable tourism development on human resourse management in hotel industry : a case study of Chiang Rai province . Naresuan University/Phitsanulok.
Jirapa Wongtao. The impact of sustainable tourism development on human resourse management in hotel industry : a case study of Chiang Rai province. . Phitsanulok:Naresuan University, 2007.
Jirapa Wongtao. (2007) The impact of sustainable tourism development on human resourse management in hotel industry : a case study of Chiang Rai province . Naresuan University/Phitsanulok.