Books listed by ISBN

Yrj Engestrm

Cambridge University Press

titleISBN-13
(ISBN-10)		year of publica-
tion		other author(s)
Perspectives on Activity Theory978-0-521-43730-1
(0-521-43730-X)		1999Reijo Miettinen · Raija-Leena Punam

Yrjo Engeström · Yrjo Engestrom · Yrjö Engeström

Yrjo Engestrom