Grupp, H.H.GruppMaital, S.S.MaitalFrenkel, A.A.FrenkelKoschatzky, K.K.Koschatzky2022-03-032022-03-031992https://publica.fraunhofer.de/handle/publica/181123en303600500Competitive advantage. A data envelopment model to compare technological excellence and export sales in Israel and European community countriesjournal article