Regional sustainability efficiency index in Europe: An additive two-stage DEA approach Operational Research: An International Journal DOI: 10.1007/s12351-015-0170-4
Regional sustainability efficiency index in Europe: An additive two-stage DEA approach. Operational Research: An International Journal 15: 1-23 (SCOPUS, ISI Listed. Impact factor: 1.816 and 5-year: 1.538). In common with N. Tzeremes and S. Kourtzidis (2015).
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