Directorate of Extension <br/><br/>
Summary record  Six week integrated course in subject matter, extension methods, techniques and communication media for extension officrs (Animal Husbandry) and instructors of extension training centres and agricultural schools in animal husbandry 17-8-71 to 25-9-71 

 - Ministry of food & agriculture, New Delhi  1971 
 - viii,164 
<br/><br/><label>Dewey Class. No.: </label>636 Gov