Jeff Blackman Quotes
Jeff Blackman (2003). “Stop Whining! Start Selling!: Profit-Producing Strategies for Explosive Sales Results”, p.20, John Wiley & Sons
Always deliver more in 'perceived value' than you take in cash value.
Jeff Blackman (2003). “Stop Whining! Start Selling!: Profit-Producing Strategies for Explosive Sales Results”, p.202, John Wiley & Sons