John Ryks Change your cover photoUpload Change your cover photoUpload Change your cover photo John Ryks National Institute of Demographic and Economic Affairs (NIDEA)•Director•New Zealand•http://www.waikato.ac.nz/nidea/about-us/people/ryks•ryks@waikato.ac.nz This user account status is Approved Share this:PrintTwitterFacebookLinkedIn
