Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Westermarck, Harri', amser ymholiad: 0.02e Mireinio'r Canlyniadau
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    Peer farmers' role in the adoption of recommended practices ; a study on demonstration farmers' and other farmers' influence on the acceptance of certain recommended farm and house... gan Westermarck, Harri

    Cyhoeddwyd 1973
    Llyfr

    Peer farmers' role in the adoption of recommended practices ; a study on demonstration farmers' and other farmers' influence on the acceptance of certain recommended farm and household practices in 15 Eastern Finland neighborhoods, 1973.

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