Vigyan - aao karke sikhe : Kaksha 3 ke liye pathyapustak 
NCERT (New Delhi India) 
 - New Delhi, India  National Council of Educational Research and Training  1970 
 - 79p 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching Technique