TY - BOOK AU - Barnum,Carol M. TI - Usability testing and research SN - 0205315194 AV - QA 76.9.U83 B362 2002 U1 - 004/.01/9 21 PY - 2002/// CY - New York PB - Longman KW - User interfaces (Computer systems) KW - Testing KW - Human-computer interaction N1 - Includes bibliographical references and index ER -