Senge, P.M The Fifth Discipline Fieldbook P.M.Senge, Art Kleiner, C.Roberts, R.B.Ross, B.J.Smith - London N.Brealey Publ 2010 - xii, 593 p. 25 cm Contine Bibliografie si Index eng ISBN: 9781857880601 Dewey Class. No.: 658.402