The Stages Of Disciple Making (Part 1) - Bobby Harrington (discipleship.org)
Come and See
Come, Follow Me
The Stages Of Disciple Making (Part 2) - Bobby Harrington (discipleship.org)
Come and Be With Me
Take Up Your Cross
Go and Make Disciples
Stages Of Faith In Our Journey To God - Alison Morgan
How Spiritually Mature Are You? - Doug Paul,- 29-page pdf ebook useful for study