Biblioteca UGB Search for 'au:"Covey, Stephen R"'

Primero, lo primero :

By Covey, Stephen R. Barcelona Paidós 1994 . 480 p. , Título original. First things first 8449301018

By Covey, Stephen R. Barcelona Paidós 1990 . 440 p. , 10a. reimpresión 8475098355

By Covey, Stephen R. Buenos Aires Paidós Empresa 1999 . 457 p. , Reimpresión 1999 9688532533

By Shelton, Ken . México Panorama Editorial 1996 . 78 p. 9683806104

By Covey, Stephen R. México: Grijalbo S.A. de C.V. 2000 . 281 p. 9700512339

By Covey, Stephen R. México: Grijalbo S.A. de C.V, 1998 . 409 p. , glosario; Índice de problemas; Índice analítico 9700510042

By Covey, Stephen R. México, D.F.: Grijalbo, 2013 . 174 p. 9,7860731156e+012

By Covey, Stephen R. U.S.A. Grupo Nelson 2008 . 489 p. 9,7816025522e+012

By Covey, Stephen R. Barcelona Paidós 2012 . 510 p. 9,7860792021e+012