Lazarsfeld, Paul Felix
Personal influence the part played by people in the flow of mass communications / by Elihu Katz and Paul F.Lazarsfeld; with a foreword by Elmo Roper .-- [2nd printing] .-- New York [etc.] : The Free Press , 1965
.--XX, 400 p. 21 cm. .-- ( Foundations of Communications research; v. 2 ).
Indices.- Bibliogr.: p. 381-393
MEDIOS DE COMUNICACION SOCIAL
OPINION PUBLICA
Roper, Elmo
Personal influence the part played by people in the flow of mass communications / by Elihu Katz and Paul F.Lazarsfeld; with a foreword by Elmo Roper .-- [2nd printing] .-- New York [etc.] : The Free Press , 1965
.--XX, 400 p. 21 cm. .-- ( Foundations of Communications research; v. 2 ).
Indices.- Bibliogr.: p. 381-393
MEDIOS DE COMUNICACION SOCIAL
OPINION PUBLICA
Roper, Elmo