Umar Khitab <br/><br/>
A study on the causes of poor achievement of science students in the subject of chemistry at secondary level in district Dir(lower)  / 
Umar Khitab 
 - ISLB  AIOU  2004. 
 - 65p. 
<br/><br/> HB 
<br/><br/>MED 
<br/><br/><br/>Eng 
<br/><br/><label>Standard No.: </label>https://i.ibb.co/DcNFC41/Thesis-cover.png 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Study and teaching--Secondary level<br/>Dissertations, Academic--MEd Science Education
<br/><br/><label>Dewey Class. No.: </label>540.712  / UMS