Leading in a Time of Change, Viewer's Workbook Autor Peter F. Drucker et al. 30 ian 2001 Paperback Preț: 159.22 lei 6-8 săpt.
La Quinta Disciplina En La Práctica Autor Peter M. Senge mar 2005 Paperback Preț: 227.44 lei 6-8 săpt.