Roulstone, D. B., & Phillips, J. J. (2008). ROI for technology projects: Measuring and delivering value. Butterworth-Heinemann.
Chicago-viite (17. p.)Roulstone, D. Brian, ja Jack J. Phillips. ROI for Technology Projects: Measuring and Delivering Value. Burlington, Mass: Butterworth-Heinemann, 2008.
MLA-viite (9. p.)Roulstone, D. Brian, ja Jack J. Phillips. ROI for Technology Projects: Measuring and Delivering Value. Butterworth-Heinemann, 2008.
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