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检索到 2 条 主题词=Agricultural extension workers. 的结果    

 


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  1. 西文图书1.The role of the farm management specialist in extension / FAO/F306.1/FME/V.6

    馆藏复本：2
    可借复本：2     by David Kahan.
    Food and Agriculture Organization of the United Nations, 2013.
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  2. 西文图书2.Agricultural extension, rural development and the food security challenge / FAO/F3/RWM

    馆藏复本：2
    可借复本：1     by William McLeod Rivera in collaboration with M. Kalim Qamar.
    Food and Agriculture Organization of the United Nations, 2003.
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