Torthaí cuardaigh - "Irrigation systems."
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The measurement of progress and impact of small-scale irrigation projects a review of literature
Foilsithe / Cruthaithe 1979LEABHAR -
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Social development and the communal irrigation system in Laur, Nueva Ecija baseline and selected interim monitoring results
Foilsithe / Cruthaithe 1978Tráchtas -
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