TY  - BOOK
AU  - Cruz, Reil G. 
TI  - Sustainable tourism / 
SN  - 9786210401028
U1  - FIL 338.47910 C88s 2019 
PY  - 2019///
CY  - Manila : 
PB  - Rex Book Store, 
KW  - Tourism.
N1  - Includes index.; References : pages 205-206
ER  -