Roy,B. <br/><br/>
Text book of Deductive logic 

 - 20th /   1958. 
 - Calcutta:  S.C.Sarkar & Sons Pvt.Ltd. 
 - 368p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Pholisophy, Deduction. 
<br/><br/><label>Dewey Class. No.: </label>162