John M. Nicholas. (2001). Project management for business and technology. Upper Saddle River, New Jersey: Prentice-Hall.
Παραπομπή Chicago StyleJohn M. Nicholas. Project Management for Business and Technology. Upper Saddle River, New Jersey: Prentice-Hall, 2001.
Παραπομπή MLAJohn M. Nicholas. Project Management for Business and Technology. Upper Saddle River, New Jersey: Prentice-Hall, 2001.
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