检索结果 - Luyun, Roger A. Jr

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    Assessment of the Free Irrigation Service Act 由 Briones, Roehlano, M., Clemente, Roberto S., Inocencio, Arlene B., Luyun, Roger A. Jr, Rola, Agnes C.

    出版 2020
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  2. 2

    Enhancing the water management capability of Communal Irrigator's Associations 由 Peñalba, Linda M., Elazegui, Dulce D., Luyun, Roger A. Jr, Sta. Cruz, Pompe C.

    出版 2013
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