Ishak Haji Muhammad. <br/><br/>
Mata-mata sukarela / 
Ishak Haji Muhammad. 
 - Singapura :  Geliga Limited,  1959. 
 - 124 p. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Malay fiction--Malaysian authors.