نموذج أعمال: الفرق بين النسختين

 

== روابط خارجية ==

* ''[http://www.jisc.ac.uk/publications/programmerelated/2009/scaithakaprojectstoday.aspx Sustaining Digital Resources: An on-the-ground view of projects today]'', Ithaka, November 2009. Overview of the models being deployed and analysis on the effects of income generation and cost management.