Over at MSDynamicsWorld.com, I look at Making the Grade: A Microsoft Dynamics GP 2013 R2 Report Card
Making the Grade: A Microsoft Dynamics GP 2013 R2 Report Card | MSDynamicsWorld.com
Reporting & BIGP 2013
Archived post from 2014. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.