Katja Battarbee

K. B.

titleISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Professional Empathic Design: User Experience978-951-826-7O8-2
(951-826-7O8-1)
2003Iipo Koskinen ยท Tuuli Mattelmaki

Katja Battenfeld