The following books may be helpful to you and your team.
Contagious Disciple-Making by David Watson & Paul Watson. Principles, fundamentals and first steps in DMM for a North American audience. May be confronting to those who don't have cross-cultural experience.
The Kingdom Unleashed by Jerry Trousdale and Glenn Sunshine. Takes an in-depth look at the Kingdom Jesus proclaimed and lived and points of contrast with mainstream Christian experience today.
Miraculous Movements by Jerry Trousdale. Stories and principles from DMMs in Sub-Saharan Africa. Great stories and principles.
From Megachurch to Multiplication by Chris Galanos. A megachurch pastor’s journey towards DMM with his congregation. Author writes as both a DMM practitioner and a church leader.