PUCPR Search for 'ti,phr:"First things first."'

Primero, lo primero vivir, amar, aprender, dejar un legado

By Covey, Stephen Richards, | Covey, Stephen R..
Barcelona Ediciones Paidós 1997 .
481 p. 8449301017

By Covey, Stephen Richards, | Covey, Stephen R..
New York Simon & Schuster 1994 .
373 p. 25 cm..
0671864416

By Covey, Stephen Richards, | Covey, Stephen R..
Barcelona Paidós 1999 .
434 p. 21 cm..
8449308518