Efficiency

The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change

Stephen R. Covey, Sean Covey

Getting Things Done: The Art of Stress-Free Productivity

David Allen, David Allen, David Allen

The fifth discipline: the art and practice of the learning organization

Peter M. Senge.

Out of the crisis

W. Edwards Deming.

Psychology and industrial efficiency

Hugo Münsterberg.

Reinventing electric utilities: competition, citizen action, and clean power

Ed Smeloff and Peter Asmus ; foreword by Amory Lovins.

Thriving on chaos: handbook for a management revolution

Tom Peters.

Getting things done: how to achieve stress-free productivity

David Allen.

Information processing and decision making

edited by William C. Howell, Edwin A. Fleishman. --

The human factor in business

by B. Seebohm Rowntree.