Personal influence :
Katz, Elihu,
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. - New York : Free Press, 1964, c1955. - xx, 400 p. :
"Free Press Paperback Edition."
SSC1154
Public opinion.
303.38 / Pe
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. - New York : Free Press, 1964, c1955. - xx, 400 p. :
"Free Press Paperback Edition."
SSC1154
Public opinion.
303.38 / Pe