Canlyniadau Chwilio - Yim Kong Ming, 1949-

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    An economic anaysis of the factors affecting HYV and fertilizers adoption in the province of Negeri Sembilan, Peninsular malaysia. gan Yim Kong Ming, 1949-

    Cyhoeddwyd 1978
    Traethawd Ymchwil


    Delwedd Flaen

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