Interpreting communication research : a case study approach / Lawrence R. Frey ... et al. - Englewood Cliffs, N.J. : Prentice-Hall, 1992 - 338 p. ; 23 cm. ISBN: 0135891108 RM92.40 LCCN: 91-46277 Subjects--Topical Terms: Communication--Research--Methodology--Case studies