Kyoung Jun Lee Business Models and Governance Strategy of Policy Knowledge Service for National Knowledge Management. 27-36 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3035&spage=27 2004 conf/kmgov/2004 KMGov db/conf/kmgov/kmgov2004.html#Lee04