Educational design research / 
edited by Jan van den Akker ... [et al.] 
 - London :  Routledge,  2006 
 - xi, 163 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0415396344 (hbk.)  RM516.00 0415396352 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems--Design--Research