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Ekonomski računi plasmana kapitala u hrvatskom hotelijerstvu 1960 - 1990
Blažević, Branko, (1995)
Der Cash Flow Return on Investment (CFROI) als Instrument des wertorientierten Controlling
Männel, Wolfgang, (2001)
Interval and Fuzzy Average Internal Rate of Return for Investment Appraisal
Guerra, Maria Letizia, (2015)
ROI in action casebook
Phillips, Patricia Pulliam, (2008)
Data collection : planning for and collecting all types of data
Measuring the success of leadership development : a step-by-step guide for measuring impact and calculating ROI
Phillips, Patricia Pulliam, (2015)