Search Results - Perera, J.

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    The Gal Oya farmer organisation programme: A learning process? by Perera, J.

    Published 1986
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    Book Chapter
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    Strategies for improving minor irrigation systems in Sri Lanka by Groenfeldt, D.J., Alwis, J., Perera, J.

    Published 1988
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    Artículo preliminar

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