ISBN 9781979051163 books & textbook
The Science of Self-Discipline: The Willpower, Mental Toughness, and Self-Control to Resist Temptation and Achieve Your Goals (Live a Disciplined Life)
CreateSpace Independent Publishing Platform /2017-10-23 Paperback / 217 Pages
isbn-10: 197905116X / isbn-13: 9781979051163
