Peter Drucker Quotes about Teaching
Peter F. Drucker (1999). “Adventures of a Bystander”, p.81, Transaction Publishers
Peter Ferdinand Drucker (2006). “Classic Drucker: Essential Wisdom of Peter Drucker from the Pages of Harvard Business Review”, p.195, Harvard Business Press
Knowledge people and service people learn the most when they teach .
"Managing for the Future".
Peter Drucker (2017). “The Age of Discontinuity: Guidelines to Our Changing Society”, p.310, Routledge