R.S. Singh <br/><br/>
Introduction to principles of plant pathology. Ed 2 

 - 2nd Ed 
 - Calcutta  Oxford IBH publishing Co  1978 
 - 390p 
<br/><br/>R.S. Singh: Introduction to principles of plant pathology. Ed 2.  (2nd Ed)  Calcutta.  Oxford IBH publishing Co, 1978.--(632.3SIN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>632.3  / SIN