Lua APA (7ú heag.)

GOEL B S. (2003). OPERATIONS RESEARCH. PRAGATI PRAKASHAN.

Lua i Stíl Chicago (17ú heag.)

GOEL B S. OPERATIONS RESEARCH. MEERUT: PRAGATI PRAKASHAN, 2003.

Lua MLA (9ú heag.)

GOEL B S. OPERATIONS RESEARCH. PRAGATI PRAKASHAN, 2003.

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