Reynolds D (2004). “An Exploratory Investigation of Multiunit Restaurant Productivity Assessment Using Data Envelopment Analysis.” J Travel and Tourism Marketing 16(2/3): 19-26.

Rezitis AN (2006). ” Productivity Growth in the Greek Banking Industry: A Non-Parametric Approach.” J Appl Econ 9(1): 119-138.

Rezvanian R and S Mehdian (2002). “An Examination of Cost Structure and Production Performance of Commercial Banks in Singapore.” J Banking and Finance 26(1): 79-98.

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.

Retzlaff-Roberts DL (1996). “A Ratio Model for Discriminant Analysis Using Linear Programming.” EJOR 94(1): 112-121.

Retzlaff-Roberts DL (1996). “Relating Discriminant Analysis and Data Envelopment Analysis to One Another.” Computer and Operations Research 23(4): 311-322.

Retzlaff-Roberts DL (1996). “Relating Discriminant-Analysis and Data Envelopment Analysis to One Another.” Computer and Operations Research 23: 311-322.

Retzlaff-Roberts DL (1997). “A Data Envelopment Analysis Approach to Discriminant Analysis.” Ann Oper Res 73: 299-321.