Search Results - Langley, Philip

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    Elementary statistical methods: for students of psychology, education and the social sciences /

    Elementary statistical methods: for students of psychology, education and the social sciences / by Boyle, Gregory John, 1950-

    Published 1989
    Other Authors: “…Langley, Philip, 1907-…”
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    The project approach to rural development : an internal critical view /

    The project approach to rural development : an internal critical view / by Banga, Luther

    Published 1981
    Other Authors: “…Langley, Philip…”
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