Project reports by young scientists 
NCERT,Science Education (Department of ...) 
 - New Delhi, India  National Council of Educational Research and Training  1969 
 - 65p 
 - National Science Talent Series 23 .
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Education