Gupta, G S. Managerial economics / G S Gupta. - 6th ed. - New Delhi: McGraw-Hill, c1993. - x, 271p.: ill.; 22 cm. Includes index. Dept. of Economics. ISBN: 0074601261 Subjects--Topical Terms: Managerial economics. Dewey Class. No.: 338.5 / GUM