Works matching IS 0895562X AND DT 2004 AND VI 21 AND IP 1


Results: 6
    1
    2
    3
    4
    5
    6

    Introduction.

    Published in:
    Journal of Productivity Analysis, 2004, v. 21, n. 1, p. 5, doi. 10.1023/B:PROD.0000012479.89558.e1
    By:
    • Álvarez, Antonio;
    • Cuesta, Rafael;
    • Orea, Luis
    Publication type:
    Article