TY - BOOK AU - Akhtar, Jamil. TI - Differentiation Perception of Small, Medium and Large Farmers of Progressive and Non-Progressive Areas About Relative Credibility, Accessibility and Uses of Different Sources of Farm-Information / U1 - 630.717 PY - 1978/// CY - .- Sabour, Bhagalpur PB - : BAU KW - Extension Education KW - Farm Information KW - Small, Medium and Large Farmers KW - Thesis KW - M.Sc ER -