APA-čujuhus (7. p.)

GUPTA P K. (1997). OPERATIONS RESEARCH (3.). SULTAN CHAND AND SONS.

Chicago-čujuhus (17. p.)

GUPTA P K. OPERATIONS RESEARCH. 3. NEW DELHI: SULTAN CHAND AND SONS, 1997.

MLA-čujuhus (9. p.)

GUPTA P K. OPERATIONS RESEARCH. 3. SULTAN CHAND AND SONS, 1997.

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