Coombs, P. . . .. (2003). I T Project estimation: A practical guide to the costing of software. Cambrdge University Press.
Dyfyniad Arddull ChicagoCoombs, Paul. I T Project Estimation: A Practical Guide to the Costing of Software. Cambridge: Cambrdge University Press, 2003.
Dyfyniad MLACoombs, Paul. I T Project Estimation: A Practical Guide to the Costing of Software. Cambrdge University Press, 2003.
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