Jones, Gregory W., <br/><br/>
Asas pengawal logik boleh atur cara (PLC) 
Ruzairi Abdul Rahim, Herlina Abdul Rahim 
 - New York  Wiley  c1990. 
 - xvi, 480 p.  ill.  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471608823 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Software engineering.