000 00363nam a2200145Ia 4500
020 _a0000000000000
082 _b1403
_a820
100 _a"Covey R.Stephen"
245 0 _aprinciple of centered leadership
260 _bsimon and schuster
_agreat bratian
_c1992
300 _a326
944 _cBK
999 _c773600
_d773600