Rogers, Everett M. Modernization among peasants : the impact of communication / [by] Everett M. Rogers in association with Lynne Svenning. - New York : Holt, Rinehart and Winston, [1969] - xviii, 429 p. ; 24 cm. Bibliography: p. 389-407. Subjects--Topical Terms: Peasants--Colombia. Mass media--Colombia. Subjects--Geographic Terms: Colombia--Rural conditions. Dewey Class. No.: 301.3/5/09861