Cohen ,M.R. <br/><br/>
An Introduction to logic and scientific methods 
Morris R. Cohen and Ernest ,Nagal 
 - New Delhi  Allied Pub.  1998 
 - xii ,467 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic -Research
<br/><br/><label>Dewey Class. No.: </label>160.72  / COH N8