_:B38ceb04ecbf82a926a499fef451a6e6c . . . "Environmental economics"@en . "Milieueconomie"@nl . . "WP8"@nl . "-PV"@nl . . _:B38ceb04ecbf82a926a499fef451a6e6c . _:B38ceb04ecbf82a926a499fef451a6e6c "2021-09-24"^^ . _:B38ceb04ecbf82a926a499fef451a6e6c . _:B38ceb04ecbf82a926a499fef451a6e6c . _:B38ceb04ecbf82a926a499fef451a6e6c "089760085" . _:B38ceb04ecbf82a926a499fef451a6e6c . _:B38ceb04ecbf82a926a499fef451a6e6c . _:B38ceb04ecbf82a926a499fef451a6e6c .