1 - 3 toradh á dtaispeáint as 3 toradh san iomlán ar an gcuardach '', am iarratais: 0.01s Beachtaigh na torthaí
  1. 1
    de réir Mosher, Arthur Theodore 1910-
    Foilsithe / Cruthaithe 1978
    LEABHAR

    An introduction to agricultural extension
  2. 2
    de réir Rieck, Robert E.
    Foilsithe / Cruthaithe 1964
    LEABHAR

    An inventory and analysis of farm management extension short courses, schools and workshops for farm people in the United States and Puerto Rico, 1963-64.
  3. 3
    LEABHAR

    Report. [1st]- 19.
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