Aftab Ahmad Khan <br/><br/>
A comparative study of the effectiveness of vygotsky,s concept of zone of proximal development (ZPD)and traditional method for teaching mathematics at elementary level  / 
Aftab Ahmad Khan 
 - 1  Allama Iqbal Open University  2009. 
 - 112p.; 
<br/><br/>MPhil/MS 
<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/>Mathematic-Study and teaching<br/>Dissertations, Academic--MPhil Teacher Education
<br/><br/><label>Dewey Class. No.: </label>510.7  / AFC