Cohen, Morris R. <br/><br/>
An introduction to logic and scientific method /  
NULL. 
 - New Delhi :   Allied Publishers ,   1968(rep1995). 
 - xii,467p :   maps,pictures ;   23cm .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> Rs (85) 
<br/><br/><label>Subjects--Index Terms: </label>LOGIC 
<br/><br/><label>Dewey Class. No.: </label>160  /