TY - BOOK AU - Osterman, Paul TI - The truth about middle managers: : who they are, how they work, why they matter SN - 9781422179703 U1 - 658.43 OST PY - 2008/// CY - Boston PB - Harvard Business Press KW - Middle managers KW - The truth about middle managers : who they are, how they work, why they matter KW - Paul Osterman KW - management ER -