TY  - BOOK
AU  - Mary, Apsara Saleth 
TI  - The principles of travel agency and tour operation management
SN  - 9781636401683
U1  - 910.68 23
PY  - 2020///
PB  - White Falcon Publishing, 
KW  - Tourism
KW  - Management
N1  - Includes bibliographies
ER  -