Singh, Uttam Kumar. <br/><br/>
Science education / 
Uttam Kumar Singh, A K. Nayak. 
 - New Delhi :  Roshan Offset Printers,  2004. 
 - 319 p. :  black and white illustrations ;  22 cm. 
<br/><br/><label>ISBN: </label>8171694314 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>CIR 371.3 Si617 2004