National curriculum framework 2005 : Position paper: National Focus Group on teaching of science, 1.1 
NCERT (New Delhi India) 
 - New Delhi, India  National Council of Educational Research and Training  2006 
 - x,38p 
<br/><br/><br/>Acc No. 088621 is gifted book by Pallavi Seth 
<br/><br/><label>ISBN: </label>81-7450-564-4 
<br/><br/><label>Source: </label>Reference