Covey, Stephen R. The seven habits of highly effective people: restoring the character ethic/ Stephen R. Covey - 358 p. \ 21 cm il. Incluye índice, apéndices ISBN: 0-671-70863-5 Subjects--Topical Terms: 1.Habilidad ejecutiva2.Exito3.Competencia Dewey Class. No.: 658.409 4 C873s