TY - BOOK AU - Thombre,Kashinath j. AU - Guide;Dahama,O.P TI - A study of the effectiveness of different communication channels ,giving agricultural information to the farmers in Jabalpur block M.P U1 - 630.7 PY - 1963/// CY - Jabalpur PB - Jawaharlal Nehru Krishi Vishwavidyalaya Jabalpur KW - Extension Education ER -