Nor Azuwan Yaakob. <br/><br/>
Dato' Dr. Hassan Ahmad :  cendekiawan Melayu terulung / 
Nor Azuwan Yaakob. 
 - Serdang, Selangor :  Penerbit Universiti Putra Malaysia,  2013. 
 - xvii, 412 p. :  photographs ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9789673443307  
<br/><br/><label>Subjects--Personal Names: </label><br/>Hassan Ahmad, Datuk,  1936-2011. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil service--Malaysia.<br/>Civil service--Malaysia--Biography.<br/>Linguists--Malaysia--Biography.<br/>Malaysia--Officials and employees--Biography.