Perspectives on activity theory / 
edited by Yrjö Engeström, Reijo Miettinen, Raija-Leena Punamäki 
 - New York :  Cambridge University Press,  1999 
 - xiii, 462 p. :  ill. ;  23 cm. 
 - Learning in doing .
<br/><br/> Chiefly selected contributions from the Second International Congress for Research on Activity Theory, held in 1990 in Lahti, Finland 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521431279 (hbk.) 9780521437301 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intentionalism--Congresses<br/>Action theory--Congresses