Educational technology for teaching and learning / 
Timothy J. Newby ...[et al.]. 
 - 4th  ed. 
 - Boston :  McGraw-Hill,  2011. 
 - xviii, 337  p. 
<br/><br/><label>ISBN: </label>0137063334 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems--Design.<br/>Educational technology--Planning.<br/>Computer assisted instruction.