Di seguito un elenco di risorse in merito alla creazione di Custom Workflow Activity per il Microsoft Dynamics CRM 4.0.
[1] Windows Workflow Foundation (WWF)
http://msdn.microsoft.com/en-us/netframework/aa663328.aspx
[2] Visual Studio 2005 extensions for .NET Framework 3.0 (Windows Workflow Foundation)
http://www.microsoft.com/downloads/details.aspx?FamilyId=5D61409E-1FA3-48CF-8023-E8F38E709BA6&displaylang=en
[3] Registration tool v2.1
http://code.msdn.microsoft.com/crmplugin
[4] Microsoft Dynamics CRM 4.0 SDK
http://www.microsoft.com/downloads/details.aspx?FamilyID=82E632A7-FAF9-41E0-8EC1-A2662AAE9DFB&displaylang=en
[5] Developing Custom Workflow Activities for Microsoft Dynamics CRM 4.0
http://www.stunnware.com/crm2/topic.aspx?id=CustomWorkflowActivity
[6] Custom Workflow Activity for matching email addresses to customers
http://blogs.msdn.com/crm/archive/2008/06/20/custom-workflow-activity-for-matching-email-addresses-to-customers.aspx
[7] Custom Workflow Activity (MS CRM SDK)
http://msdn.microsoft.com/en-us/library/cc151142.aspx
