TY  - BOOK
AU  - Jeroen Scheerder, Hanna Vehmas, Kobe Helsen
TI  - The Rise and Size of the Fitness Industry in Europe
SN  - 9783030533489
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-030-53348-9
ER  -