(1956). Proccedings of the ninth annual conference on the administration of research. New York: New York University Press.
Παραπομπή Chicago StyleProccedings of the Ninth Annual Conference On the Administration of Research. New York: New York University Press, 1956.
Παραπομπή MLAProccedings of the Ninth Annual Conference On the Administration of Research. New York: New York University Press, 1956.
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