The Five Dysfunctions of a Team: A Leadership Fable by Patrick M. Lencioni
Harvard Business Review
Emotional Intelligence by Daniel Goleman
Myers-Briggs - MBTI Personality Type
Maslow's Hierarchy of Needs
Simon Sinek on ADHD
Essentials of Organisational Behaviour by Laurie J. Mullins
Simon Sinek
The Chartered Institute of Payroll Professionals