Thianthong Sukuntaniyom. 2007. Passengers' satisfaction with services at Bangkok Bus Terminal (southern). Bangkok:Thammasat University;
Thianthong Sukuntaniyom. (2007) Passengers' satisfaction with services at Bangkok Bus Terminal (southern) (รายงานผลงานวิจัย). Thammasat University:Bangkok.
Thianthong Sukuntaniyom. Passengers' satisfaction with services at Bangkok Bus Terminal (southern). Bangkok:Thammasat University, 2007.
Thianthong Sukuntaniyom. (2007) Passengers' satisfaction with services at Bangkok Bus Terminal (southern) (รายงานผลงานวิจัย). Thammasat University:Bangkok.