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Research in Higher Education > 2017 > 58 > 2 > 141-183
Economics of Education Review > 2014 > 43 > Complete > 21-35
Geomatics, Landmanagement and Landscape > 2014 > no. 2 > 7--17
Research in Higher Education > 2017 > 58 > 2 > 141-183
Economics of Education Review > 2014 > 43 > Complete > 21-35
Geomatics, Landmanagement and Landscape > 2014 > no. 2 > 7--17