In Microsoft Dynamics Sure Step Methodology Revisited, Sure Step gets some love from a CRM MVP but let’s face it, his points apply to ERP too including Dynamics GP.
Microsoft Dynamics Sure Step Methodology Revisited – The Microsoft MVP Award Program Blog – Site Home – MSDN Blogs
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.