Ottar Hellevik
发表
Ottar Hellevik,
Ottar Hellevik,
2009
.
Ottar Hellevik,
1983
.
Ottar Hellevik,
1979
.
Ottar Hellevik,
2022
.
A. Vatn,
Paul Stern,
R. Dunlap,
2022,
Journal of Sustainable Tourism.
G. Breivik,
Ottar Hellevik,
2014
.
Ottar Hellevik,
2006
.
Ottar Hellevik,
2015,
Quality & Quantity.
Ottar Hellevik,
2015,
Quality & Quantity.
A. Vatn,
R. Dunlap,
J. Thøgersen,
2022,
Global Environmental Change.
Ottar Hellevik,
2016
.
J. Kuklinski,
Ottar Hellevik,
1987
.
Ottar Hellevik,
2002
.
A. Vatn,
P. Stern,
R. Dunlap,
2021
.
Ottar Hellevik,
1993
.
Ottar Hellevik,
2002
.
Ottar Hellevik,
2000
.
Ottar Hellevik,
1997
.
Ottar Hellevik,
2013
.
Ottar Hellevik,
2007
.
Ottar Hellevik,
2020
.
Ottar Hellevik,
2003
.
Ottar Hellevik,
2017
.
Tor Bjørklund,
Ottar Hellevik,
Ottar Hellevik,
1991
.