TY  - BOOK
AU  - Sinek, Simon
TI  - Start with why: : how great leaders inspire everyone to take action 
SN  - 9781405977593
U1  - 658.4092 
PY  - 2025///
CY  - UK
PB  - Penguin Books 
KW  - Leadership
KW  - Success in business
KW  - Organizational effectiveness
ER  -