Harel E, G Boaz and S Avraham (2006). “Constructing and Evaluating Balanced Portfolios of R&D Projects with Interactions: A DEA Based Methodology.” EJOR 172(3): 1018.

Harel E, G Boaz and S Avraham (2006). “Constructing and Evaluating Balanced Portfolios of R&D Projects with Interactions: A DEA Based Methodology.” EJOR 172(3): 1018.

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