Rhodes EL (1986). “An Exploratory Analysis of Variations in Performance among U.S. National Parks.” in Silkman RH (eds.) Measuring Efficiency: An Assessment of Data Envelopment Analysis Jossey-Bass: 47-71.

Rhodes EL (2002). “Using Data Envelopment Analysis (DEA) to Evaluate Environmental Quality and Justice: A Different Way of Looking at the Same Old Numbers.” Int J Public Administration 25(2/3): 253.

Rhodes EL (2003). Environmental Justice in America : A New Paradigm. Bloomington, Indiana University Press.

Richmond J (2005). “Slack and Net Technical Efficiency Measurement: A Bootstrap Approach.” Int J Info Tech Decis 4(3): 395-410.

Rickards RC (2003). “Setting Benchmarks and Evaluating Balanced Scorecards with Data Envelopment Analysis.” Benchmarking 10(3): 226-245.

Riddington G and J Cowie (1994). “Performance Assessment Using DEA: A Cautionary Note.” JORS 45(5): 603-604.

Riddington G and J Cowie (1994). “Viewpoints: Performance Assessment Using DEA – a Cautionary Note.” JORS 45(5): 603-604.

Retzlaff-Roberts DL, CF Chang and RM Rubin (2004). “Technical Efficiency in the Use of Health Care Resources: A Comparison of OECD Countries.” Health Policy 69(1): 55-72.

Retzlaff-Roberts DL and DJ Fine (1995). “Estimating the Hospital-Wide Cost Differentials Warranted for Teaching Hospitals: An Alternative to Regression Approaches.” Medical Care 33(5): 531-552.

Retzlaff-Roberts DL, DJ Fine, SW Loree and S Tsubakitani (1992). “The Trade-Off between Hospital Cost and Quality of Care. An Exploratory Empirical Analysis.” Medical Care 30(8): 677-698.