John Harrison <br/><br/>
Tugas-Tugas Sekretari 

 - 8th ed 
 -   Golden Books Centre Sdn. Bhd.  ©1990 
<br/><br/><label>ISBN: </label>9679959430  20.8 
<br/><br/><label>Dewey Class. No.: </label>651.3741/HAR