//-->
Valuation of ecosystem services provided by man-made wetlands
Polman, Nico B. P., (2014)
An institutional economics analysis of land use contracting : the case of the Netherlands
Polman, Nico B. P., (2009)
Landscape and the commercial benefits of recreation : paper presented at ERSA Congress "Sustainable Regional Growth and Development in the Creative Knowledge Economy", 50th Anniversary European Congress of the Regional Science Association International, 19th - 23rd August 2010, Jönköping, Sweden
Polman, Nico B. P., (2010)