The seven habits of highly effective people :
Covey R. Stephen .
The seven habits of highly effective people : restoring the character ethic / Stephen R. Covey. - New York : Simon and Schuster, c1989. - 340 p;
0671663984 :
0
158.1COV/1989
The seven habits of highly effective people : restoring the character ethic / Stephen R. Covey. - New York : Simon and Schuster, c1989. - 340 p;
0671663984 :
0
158.1COV/1989