GUPTA, Prem Kumar
Operational research/ - Revised Edition. - New Delhi: S.Chand & Company Pvt ltd, c1976. - xii, 1418 p. ; ill., 24 cm.
8121902819
003
Operational research/ - Revised Edition. - New Delhi: S.Chand & Company Pvt ltd, c1976. - xii, 1418 p. ; ill., 24 cm.
8121902819
003