HILLIER FREDERICK S. (2001). INTRODUCTION TO OPERATIONS RESEARCH AND C.D (7TH.). TATA MCGRAW-HILL PUBLISHING COMPANY.
Lua i Stíl Chicago (17ú heag.)HILLIER FREDERICK S. INTRODUCTION TO OPERATIONS RESEARCH AND C.D. 7TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY, 2001.
Lua MLA (9ú heag.)HILLIER FREDERICK S. INTRODUCTION TO OPERATIONS RESEARCH AND C.D. 7TH. TATA MCGRAW-HILL PUBLISHING COMPANY, 2001.
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