Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Shively, G.E', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    Do farmers really underinvest in soil conservation? theory and evidence from an upland area of Davao del Sur, Philippines gan Shively, G.E

    Cyhoeddwyd 1995
    Llyfr

    Do farmers really underinvest in soil conservation? theory and evidence from an upland area of Davao del Sur, Philippines

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