Chowdhury (PN) <br/><br/>
Economics of Research and Development 

 -  1973  Peoples Publication House 
 - 1-163  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>9f:(X)   L3