Отображение 1 - 3 результаты of 3 для поиска 'Gunawardana, A. M. T.', время запроса: 0.01сек. Отмена результатов
  1. 1

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

    Опубликовано 1981
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    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 по Gunawardana, A. M. T.

    Опубликовано 1981
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    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 по Gunawardana, A. M. T.

    Опубликовано 1980
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    Farmers' knowledge and perception of improved technology a study of five farming systems

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