P. Gopalkrishna, . (2005). Materials Management and integrated approch. Prentice Hall of India New Delhi: Prentice Hall of India New Delhi.
P. Gopalkrishna, . 2005. Materials Management and integrated approch. Prentice Hall of India New Delhi: Prentice Hall of India New Delhi.
P. Gopalkrishna, . Materials Management and integrated approch. Prentice Hall of India New Delhi: Prentice Hall of India New Delhi. 2005.
