Online first articles

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  1. Application of the data envelopment analysis technique to measure the environmental efficiency of the 27 countries of the European Union during the period 2012–2020

    Authors (first, second and last of 5)

    • Juan Cámara-Aceituno
    • Manuel Jesús Hermoso-Orzáez
    • José Enrique García-Ramos
    • Content type: Original Paper
    • Open Access
    • Published: 14 June 2023