Kapoor, V. K. (1999). Operations research ; problems and solutions (4th.). Sultan Chand.
Lua i Stíl Chicago (17ú heag.)Kapoor, V. K. Operations Research ; Problems and Solutions. 4th. New delhi: Sultan Chand, 1999.
Lua MLA (9ú heag.)Kapoor, V. K. Operations Research ; Problems and Solutions. 4th. Sultan Chand, 1999.
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