Rezultaty 1 - 3 Rezultaty od 3 Dla wyszukiwania 'Gunawardana, A. M. T.', Czas wyszukiwania: 0,01s Redukuj rezultaty
  1. 1

    Water management under small village tanks od Gunawardana, A. M. T.

    Wydane 1981
    Książka

    Water management under small village tanks
  2. 2

    The training and visit system of extension a paper based on experiences in the training and visit system of extension under the Kurunegala Rural Development Project od Gunawardana, A. M. T.

    Wydane 1981
    Książka

    The training and visit system of extension a paper based on experiences in the training and visit system of extension under the Kurunegala Rural Development Project
  3. 3

    Farmers' knowledge and perception of improved technology a study of five farming systems od Gunawardana, A. M. T.

    Wydane 1980
    Książka

    Farmers' knowledge and perception of improved technology a study of five farming systems

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