TY  - BOOK
AU  - Cruz, Reil G. 
TI  - Sustainable tourism / 
T2  - HRM-Tourism Series 
SN  - 978-621-04-0102-8
U1  - 338.4791 
PY  - 2019///
CY  - Manila : 
PB  - Rex Book Store
KW  - Ecotourism
KW  - Philippines
KW  - Tourism
KW  - Environmental aspects
N1  - Includes index; "OBE Approach"
ER  -