Manjit Kaur <br/><br/>
To study the effect of mode of presentation on the attitude towards P.I. (programmed instructional) material in physics of 9th class students 

 -  1981 
 - 64p. 
<br/><br/><br/>M. Ed. Dissertation (Delhi University) 
<br/><br/><label>Source: </label>Dissertations