Takahashi และผู้แต่งคนอื่นๆ. (2008) Factors associated with travel related health problems among Japanese travelers in Thailand. Chulalongkorn University:ม.ป.ท.Takahashi และผู้แต่งคนอื่นๆ. 2008. Factors associated with travel related health problems among Japanese travelers in Thailand. ม.ป.ท.:Chulalongkorn University;Takahashi และผู้แต่งคนอื่นๆ. Factors associated with travel related health problems among Japanese travelers in Thailand. ม.ป.ท.:Chulalongkorn University, 2008. Print.