Colley, J. (1979). Operations planning and control. Tata Mcgraw hill publishing company Ltd.
Παραπομπή Chicago StyleColley, J.L. Operations Planning and Control. New Delhi: Tata Mcgraw hill publishing company Ltd, 1979.
Παραπομπή MLAColley, J.L. Operations Planning and Control. Tata Mcgraw hill publishing company Ltd, 1979.
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