Thinking About Change Ruler; https://ct.counseling.org/2015/09/sbirt-identifying-and-managing-risky-substance-use/
A Nudge in the Right Direction Workbook: http://www.setrust.hscni.net/pdf/A_nudge_in_the_right_direction_(4).pdf
There’s a wealth of information all over the web for Motivational Interviewing. There are many free trainings also. If you want to polish your skills, search ‘free trainings motivational interviewing.’ Remember though, in Recovery Coaching MI is not clinical.