HELLER R, . (1999). ESSENTIAL MANAGERS, MANAGING CHANGE (IMPLEMENTING EXPERIMENTING, SOLUTION, PLANNING INITIATING INVOLVING RISKS, UNDERSTANDING CONSULTING MONITORING - ADAPTING. : DORLING KINDERSLEY LONDON.
HELLER R, . 1999. ESSENTIAL MANAGERS, MANAGING CHANGE (IMPLEMENTING EXPERIMENTING, SOLUTION, PLANNING INITIATING INVOLVING RISKS, UNDERSTANDING CONSULTING MONITORING - ADAPTING. : DORLING KINDERSLEY LONDON.
HELLER R, . ESSENTIAL MANAGERS, MANAGING CHANGE (IMPLEMENTING EXPERIMENTING, SOLUTION, PLANNING INITIATING INVOLVING RISKS, UNDERSTANDING CONSULTING MONITORING - ADAPTING. : DORLING KINDERSLEY LONDON. 1999.