Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Gould, Jacob Martin', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Output and productivity in the electric and gas utilities, 1899-1942. gan Gould, Jacob Martin

    Cyhoeddwyd 1946
    Llyfr

    Output and productivity in the electric and gas utilities, 1899-1942.
  2. 2

    Output and productivity in the electric and gas utilities, 1899-1942 gan Gould, Jacob Martin

    Cyhoeddwyd 1946
    Llyfr

    Output and productivity in the electric and gas utilities, 1899-1942

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