00421    a2200145   4500003000400000005001700004008004100021020001900062040000900081082002000090100002700110245008000137260004400217300001400261OSt20221007153141.0221007b           ||||| |||| 00| 0 eng d  a 9788173911711  coclc  a338.4791bNEG/T1 aNegi, Jagmohan,d1941-  aTravel agency and tour operation:bConcepts and principles /cJagmohan Negi  aNew Delhi:bKanishka Publishers,c2021.  a498 pages