TY  - BOOK
AU  - Vitor Braga, António Duarte, Carla Susana Marques
TI  - Economics and Management of Geotourism
SN  - 9783030898397
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-030-89839-7
ER  -