Mostrar 1 - 2 resultats de 2 per cerca 'Orr, Larry L.', hora de la petició: 0.01sec Refinar resultats
  1. 1

    Social experiments evaluating public programs with experimental methods per Orr, Larry L.

    Publicat 1999
    Llibre

    Social experiments evaluating public programs with experimental methods
  2. 2

    Income maintenance interdisciplinary approaches to research

    Publicat 1971
    Llibre

    Income maintenance interdisciplinary approaches to research

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