Varshney, R.L. . Managerial economics / by R.L. Varshney and K.L. Maheshwari. - 16th ed / - New Delhi : Sultan Chand & Sons , 2001 - 583p, A-196 ; ISBN: 81-7014-864-2 Subjects--Topical Terms: Economics Dewey Class. No.: X:8 / P1;1