00846nam a22001937a#4500001000700000007000300007008004100010020001800051050001000069245013000079260012000209300000900329490010100338490003400439650001900473650002200492650006900514710006900583829369tz181003t        th ||||| |||| 00| 0 eng d  a9786162972638  aH0249  aFront office functional competencies provide international direct dial (IDD) service informationbD1.HFO.CL2.12 Trainer Guide  aกรุงเทพมหานคร :bOffice of the permanent secretary ministry of tourism and sports,c2015.  a82 p  aFront office functional competencies provide international direct dial (IDD) service information  aTrainer GuidevDark Blue Book  aCommunications  aTelecommunication  aOffice of the permanent secretary ministry of tourism and sports  aOffice of the permanent secretary ministry of tourism and sports