TY - BOOK AU - Directorate of Extension TI - 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 U1 - 636 Gov PY - 1971/// CY - Ministry of food & agriculture, New Delhi ER -