Umarul Hakim <br/><br/>
Siri misi 909 / 
Umarul Hakim 
 - Kuala Lumpur :  Arus Intelek,  2000 
 - 5v. :  ill. ;  18 cm. 
 - Fiksyen sains intelek ;  jilid 1-5 .
<br/><br/> Operasi halimunan -  Operasi great white shark -  Operasi tinta -  Operasi kurita -  Operasi tiram  jilid 1.  jilid 2.  jilid 3.  jilid 4.  jilid 5. 
<br/><br/><label>ISBN: </label>9831500156 (j.1) 9831500164 (j.2) 9831500172 (j.3) 9831500180 (j.4) 9831500199 (j.5) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Young adult fiction, Malay<br/>Malay fiction<br/>Science fiction, Malay