Singh,  R.S. <br/><br/>
Plant   Diseases 

 - 6th /   1990. 
 - Delhi:  Oxford  I B H  Publishing  Co.  Pvt.  Ltd,  1990. 
 - 619p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Botany, Plant  Diseases. 
<br/><br/><label>Dewey Class. No.: </label>632