Leeshan Stanley และ Chompunuch Jittithavorn. (2014) The impact of training and development programmes of three star hotels in Bangkok. Stamford international university:ม.ป.ท.Leeshan Stanley และ Chompunuch Jittithavorn. 2014. The impact of training and development programmes of three star hotels in Bangkok. ม.ป.ท.:Stamford international university;Leeshan Stanley และ Chompunuch Jittithavorn. The impact of training and development programmes of three star hotels in Bangkok. ม.ป.ท.:Stamford international university, 2014. Print.