Stephen Covey

Els 7 hàbits de les persones altament efectives és un llibre.

First Things First is a self-help book written by Stephen Covey, A. Roger Merrill, and Rebecca R. Merrill. It offers a time management approach that, if established as a habit, is intended to help a person achieve "effectiveness" by aligning him- or herself to "First Things". The approach is a further development of …

Els 7 hàbits de les persones altament efectives és un llibre.