Neumark, Fritz. <br/><br/>
Aspects of a flat rate tax 
por Fritz Neumark. 
 - Río Piedras, P.R.  Universidad de Puerto Rico  1984. 
 - 13 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flat-rate income tax
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Flat-rate income tax.