Cook, Albert M., <br/><br/>
Assistive technologies :  principles & practice / 
Albert M. Cook, Janice M. Polgar, Pedro Encarnaca̧õ. 
 - Fifth edition. 
 - x, 465 pages :   illustrations ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780323523387   RM479.12 (PPUKM). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Self-Help Devices. <br/>Disabled Persons--rehabilitation.