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  1. 21
    Publicat 1978
    Llibre

    A guide to project development
  2. 22
    Publicat 1976
    Llibre

    World employment programme research in retrospect and prospect
  3. 23
    Publicat 1973
    Llibre

    Science and technology in economic growth proceedings of a conference held by the International Economic Association at St. Anton, Austria
  4. 24
    per Berliner, Joseph S.
    Publicat 1972
    Llibre

    Economy, society, and welfare a study in social economics
  5. 25
    Publicat 1972
    Llibre

    Quantitative economic research trends and problems
  6. 26
    Publicat 1971
    Llibre

    Techniques of transport planning.
  7. 27
    per Quandt, Richard E.
    Publicat 1970
    Llibre

    The demand for travel: theory and measurement.
  8. 28
    per Hayes, Samuel Perkins 1910-
    Publicat 1966
    Llibre

    Evaluating development projects a manual for the use of field workers
  9. 29
    per Goode, William J.
    Publicat 1952
    Llibre

    Methods in social research
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