APA
Gupta P. K., Gupta P. K. D. S., . (2022). Operations research: for engineering, computer science, commerce & management, economics, statistics, mathematics, CA, ICWA and CS also useful for IAS and other competitive examinations. New Delhi: S Chand & Company Ltd.
Chicago
Gupta P K, Gupta P KHira D S, . 2022. Operations research: for engineering, computer science, commerce & management, economics, statistics, mathematics, CA, ICWA and CS also useful for IAS and other competitive examinations. New Delhi: S Chand & Company Ltd.
Harvard
Gupta P. K., Gupta P. K. D. S., . (2022). Operations research: for engineering, computer science, commerce & management, economics, statistics, mathematics, CA, ICWA and CS also useful for IAS and other competitive examinations. New Delhi: S Chand & Company Ltd.
MLA
Gupta P K, Gupta P KHira D S, . Operations research: for engineering, computer science, commerce & management, economics, statistics, mathematics, CA, ICWA and CS also useful for IAS and other competitive examinations. New Delhi: S Chand & Company Ltd. 2022.