TY - BOOK AU - Hegde,M.N. TI - Clinical research in communicative disorders: principles and strategies SN - 0890799644 AV - RC428 .H445 2003 U1 - 616.855 007 2 HEG 23 PY - 2003/// CY - Austin, Tex. PB - Pro-Ed KW - Communicative disorders KW - Research KW - Methodology KW - Communication Disorders KW - Research Design N1 - Includes bibliographical references and indexes ER -