Ijaz Mahmood <br/><br/>
Effectiveness of concept mapping as a tool for teaching physics at secondary level  : M.Phil Science Education 
Ijaz Mahmood 
 - Islamabad:  AIOU,  2012. 
 - xv, 65p. 
<br/><br/> HB 
<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/>Science education
<br/><br/><label>Dewey Class. No.: </label>507  / IJE