Roy, Bhola Nath <br/><br/>
Textbook of deductive logic / 
Roy, Bhola Nath 
 - 27 ed. 
 -  S C Sarkar & Sons, Calcutta,  1971 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deduction
<br/><br/><label>Dewey Class. No.: </label>162 ROY-T27