TY  - BOOK
AU  - Covington, Gareth ,
TI  - International encyclopedia of sustainable development vol.5 : : sustainable tourism / 
SN  - 9781926692067
U1  - 338.927 
PY  - 2010///
CY  - Oakville
PB  - Apple Academics Press Inc.
KW  - development theory
ER  -