Robert a ,Simpkins. (2008). secrets of great sales managements: Advanced strategies for maximising performance. Prentice -hall of india.
Styl ChicagoRobert a ,Simpkins. Secrets of Great Sales Managements: Advanced Strategies for Maximising Performance. new delhi: Prentice -hall of india, 2008.
Citace podle MLARobert a ,Simpkins. Secrets of Great Sales Managements: Advanced Strategies for Maximising Performance. Prentice -hall of india, 2008.
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