Gupta Nirmal <br/><br/>
Study of some variables related to students, teachers and instructional material having their bearing on learing outcomes in biology 

 -  1975 
 - 194p.  p.  cm. 
<br/><br/><label>Standard No.: </label>4189 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION