Singh,R.S. <br/><br/>
Introduction to principles of plant pathology  English 

 - New Delhi  Oxford Publishers  2017 
 - 402p. 
<br/><br/><label>ISBN: </label>9788120415515 
<br/><br/><label>LC Class. No.: </label>632 
<br/><br/><label>Dewey Class. No.: </label>632