Jurairat Krajangta. (1997) Self service airline reservation system via internet. Mahidol University,:ม.ป.ท.Jurairat Krajangta. 1997. Self service airline reservation system via internet. ม.ป.ท.:Mahidol University,;Jurairat Krajangta. Self service airline reservation system via internet. ม.ป.ท.:Mahidol University, 1997. Print.