HELLER R, . (1999). ESSENTIAL MANAGERS, MANAGING TEAMS, (LEADERSHIP PLANS TASKS FLEXIBILITY DYNAMICS SUPPORTING TRAINING TIPS- COMMUNICATING - GOALS NETWORKING DELEGATING. : DORLING KINDERSLEY LONDON.
HELLER R, . 1999. ESSENTIAL MANAGERS, MANAGING TEAMS, (LEADERSHIP PLANS TASKS FLEXIBILITY DYNAMICS SUPPORTING TRAINING TIPS- COMMUNICATING - GOALS NETWORKING DELEGATING. : DORLING KINDERSLEY LONDON.
HELLER R, . ESSENTIAL MANAGERS, MANAGING TEAMS, (LEADERSHIP PLANS TASKS FLEXIBILITY DYNAMICS SUPPORTING TRAINING TIPS- COMMUNICATING - GOALS NETWORKING DELEGATING. : DORLING KINDERSLEY LONDON. 1999.