Dew, Gladys <br/><br/>
Office Machinery and Equipment/ 

 - London  McGraw-Hill Book Company Ltd.  1982 
 - xi,140p.:  ill.; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0070846227 
<br/><br/><label>LC Class. No.: </label>HF5548  / .D51 1982