Gupta, S. P., & Gupta,P K. (2022). Quantitative Techniques and Operations Research (4th ed.). Sultan Chand and Sons.
Chicago-čujuhus (17. p.)Gupta, S P., juo Gupta,P K. Quantitative Techniques and Operations Research. 4th ed. New Delhi: Sultan Chand and Sons, 2022.
MLA-čujuhus (9. p.)Gupta, S P., juo Gupta,P K. Quantitative Techniques and Operations Research. 4th ed. Sultan Chand and Sons, 2022.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.