National curriculum framework 2005 : Position paper national focus group on curriculum, syllabus and textbooks, 2.3 
NCERT (New Delhi India) 
 - New Delhi, India  National Council of Educational Research and Training  2006 
 - xi,46p 
<br/><br/><label>ISBN: </label>81-7450-569-5 
<br/><br/><label>Source: </label>Reference