@inbook{1150328122, author={Victor V. Buzachero and Jack Phillips and Patricia Pulliam Phillips and Zack L. Phillips}, title={ROI Methodology Basics}, booktitle={Measuring ROI in Healthcare: Tools and Techniques to Measure the Impact and ROI in Healthcare Improvement Projects and Programs}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2018}, url={accessmedicine.mhmedical.com/content.aspx?aid=1150328122} }