Đang hiển thị 1 - 3 kết quả của 3 cho tìm kiếm 'Gunawardana, A. M. T.', thời gian truy vấn: 0.01s Tinh chỉnh kết quả
  1. 1

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

    Được phát hành 1981
    Sách

    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 Bằng Gunawardana, A. M. T.

    Được phát hành 1981
    Sách

    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 Bằng Gunawardana, A. M. T.

    Được phát hành 1980
    Sách

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

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