Tyagi, B.P. . <br/><br/>
Economic Systems /  Textual Documents 
B.P. Tyagi. 
 - 6th ed. / 
 - Meerut :  Jai Prakash Nath & Co. ,  1991. 
 - xviii, 460p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Economics-Systems Economic Systems MS-Economics 
<br/><br/><label>Dewey Class. No.: </label>330  / Ty 954 Ec 330.1  / Ty 252 Ec