TY - BOOK AU - Barnum,Carol M. TI - Usability testing essentials : ready,set-- test! SN - 9780123750921 (hb) U1 - 004.019 PY - 2011/// CY - Amsterdam PB - Elsevier KW - Computer systems KW - Web-based user interfaces KW - Human-computer interaction KW - International usability testing KW - Usability engineering KW - Understanding goals KW - Usability testing KW - Choosing think KW - FC N1 - Includes bibliographical references and index ER -