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Notes the fact that benchmarking has become a widely used management tool. Also points out that benchmarking is an evolving concept, giving a brief historical overview of the development of benchmarking and noting the view that it is changing from an art to a science. Gives a detailed breakdown of the various types of benchmarking and looks at the process of benchmarking and various approaches, arguing the need for an integrated approach.
Ahmed et al. (Tue,) studied this question.