Handbook of visual languages for instructional design : theories and practices 
Luca Botturi, S. Todd Stubbs [editors] 
 - Hershey, PA  Information Science Reference  c2008 
 - xxii, 480 p. : ill. ; 29 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781599047294 
<br/><br/><label>ISSN: </label>2007023444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional systems - Design - Handbooks, manuals, etc<br/>Visual programming languages (Computer science) - Handbooks, manuals, etc
<br/><br/><label>Dewey Class. No.: </label>371.33 STU