Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'Echevarria, maximo O. 1926-', amser ymholiad: 0.01e Mireinio'r Canlyniadau
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    The relations of knowledge of the principles basic to the solution of a problem intelligence, and intrest, in the subject matter to the ability to solve problems [microform] gan Echevarria, maximo O. 1926-

    Cyhoeddwyd 1974
    Visual Material

    The relations of knowledge of the principles basic to the solution of a problem intelligence, and intrest, in the subject matter to the ability to solve problems [microform]

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