Gray, Alexander. <br/><br/>
The development of economic doctrine /  

 - 1st edn /  
 - London :   Longmans Green and co ltd ,   1980 
 - 384p ;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>Xv  / G1;5