Roy, Prodipto The impact of communication on rural development An investigation in Costa Rica and India Prodipto Roy - Paris, NICD, Hyderabad Unesco 1969 - xvi, 160p.: ill., figs., tables ; 25 x 16cm LCCN: 20669 Subjects--Topical Terms: Costa Rica-Rural conditionsIndia-Rural conditions Dewey Class. No.: 307.72/R888i