Y. P. Singh <br/><br/>
Key communicators of agricultural innovations 

 - Agra  Satish Book Enterprise  1973 
 - 204p 
<br/><br/>Y. P. Singh: Key communicators of agricultural innovations.  Agra.  Satish Book Enterprise, 1973.--(307.72SIN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>307.72  / SIN