Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Birch, D.R', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Energy options for low-lift irrigation pumps in developing countries the case of Bangladesh and Egypt gan Birch, D.R

    Cyhoeddwyd 1980
    Llyfr

    Energy options for low-lift irrigation pumps in developing countries the case of Bangladesh and Egypt

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