TY  - BOOK
AU  - Holtzblatt,Karen
AU  - Beyer,Hugh
TI  - Contextual design: design for life 
SN  - 9780128008942
U1  - 004.2 22
PY  - 2017///
CY  - Amsterdam, Cambridge, MA
PB  - Elsevier
KW  - System design
KW  - System analysis
N1  - Includes bibliographical references and index
ER  -