TY  - BOOK
AU  - Frans Melissen 
AU  - Lieke Sauer
TI  - Improving Sustainability in the Hospitality Industry 
SN  - 978-1-138-05770-8
U1  - Cir. 647.94068 M52 C2019 
PY  - 2019///
CY  - New York, USA: 
PB  - Routledge; 
ER  -