Nwankwo O. G <br/><br/>
Public finance in theory and practice 
G. O Nwankwo 
 - London  Macmillan Publishers Ltd  1980 
 - p. 182.  Pbk 
<br/><br/><label>ISBN: </label>0333256859 
<br/><br/><label>LC Class. No.: </label>HG 188. N9  / 1980