Thakur, D. (1996). Quantitative techniques in production and productivity. Deep & Deep.
Παραπομπή Chicago StyleThakur, Devendra. Quantitative Techniques in Production and Productivity. New Delhi: Deep & Deep, 1996.
Παραπομπή MLAThakur, Devendra. Quantitative Techniques in Production and Productivity. Deep & Deep, 1996.
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