TY - BOOK AU - Koch, Richard TI - The 80/20 principle: the secret to achieving more with less AV - GC HD 69 .T54 .K63 2017 PY - 2017/// CY - Currency KW - Time management ; Industrial efficiency--Psychological aspects ; Labor productivity--Psychological aspects ; Conduct of life ; Success in business ; Organizational effectiveness ; Self-actualization (Psychology) ; Self-culture ER -