Ahmad Hashem <br/><br/>
Panduan kaedah ujikaji / 
Ahmad Hashem, Raja Mustapha Raja Hassan, David Bradley 
 - Kuala Lumpur :  Dewan Bahasa dan Pustaka,  1986 
 - 155 p. ;   26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Experiments<br/>Physics--Experiments