The following books will help you with the program:
Business Analysis – Revised Edition, by Debra Paul, James Cadle
Business Analysis Techniques – Revised Edition, by Paul Turner, James Cadle, Debra Paul
Business Analyst: Careers in Business Analysis, by Adrian Reed
Brainy Glue: Making Change Stick, by Ian Richards and Filip Hendrickx
The Business Analysis Handbook: Techniques and Questions to Deliver Better Business Outcomes, by Helen Winter