Khanna O.P, . (2013). Industrial Engineering and Management. : Dhanpat Rai Publications(P) Ltd. New Delhi.
Khanna O.P, . 2013. Industrial Engineering and Management. : Dhanpat Rai Publications(P) Ltd. New Delhi.
Khanna O.P, . Industrial Engineering and Management. : Dhanpat Rai Publications(P) Ltd. New Delhi. 2013.
