1. The 7 habits of highly effective people: powerful lessons in personal change Covey, Stephen R., New York : Simon & Schuster, 2020 BUS423
2. Grit: the power of passion and perseverance Duckworth, Angela, New York, NY : Scribner, 2016. PSY209
3. Mindset: the new psychology of success Dweck, Carol S., 1946- New York : Ballantine Books, 2016. PSY101