Investigating communication : an introduction to research method / Lawrence R. Frey ... [et al.]. - N. J. : Prentice Hall, c1991. - xiv, 401p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 0135034264 Subjects--Topical Terms: Communication--Research--Methodology LC Class. No.: P91.158 / In8 1991