The FM Center of Expertise (COE) has put together a fantastic reimbursement accounting training guide focused on support agreements. This process was a always a bit of mystery to me, but this presentation breaks it down in an easily understood way. It contains 42 slides, but contains many graphs/pictures and is actually a fairly quick read.
Charging the Tenant
How to view both programs (direct & reimbursement)
How to run/analyze STH