David Musgrave reminds us about Dexterity Training in Orlando, Florida, USA (11th to 15th February 2013)
Dexterity Training in Orlando, Florida, USA (11th to 15th February 2013) – Developing for Dynamics GP – Site Home – MSDN Blogs
Development & IntegrationMicrosoft & the GP Ecosystem
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.