Loomba, N Paul. Linear programming : introductory analysis / By N Paul Loomba. - 1st ed. - New Delhi : Tata Mc Graw Hill Publishing Company , 1971. - xvi,284p. ; PB 22.5 cm ISBN: 0070994250 Subjects--Topical Terms: The graphical methodMatrices and vectorsThe dual Dewey Class. No.: 519.7 / LOON