by Robert K. Merton (Author)
Here is the classic work that laid the groundwork for focus-group research. This new edition features a new preface by Merton and an introduction updating developments in the field.
Format: Paperback
Pages: 236
Edition: 2
Publisher: Free Press
Published: 01 May 1990
ISBN 10: 9780029209
ISBN 13: 9780029209868