NCERT <br/><br/>
Physics :   teachers resource book and guide / 
by NCERT 
 - America :  D.C Heath and company,  1970. 
<br/><br/> Part 1 : Indian edition national council of educational research and training<br/>Part 4 : Indian edition national council of educational research and training<br/>Part 2 : Indian edition national council of educational research and training<br/>Part 3 : Indian edition national council of educational research and training 
<br/><br/>Part 1 : Indian edition national council of educational research and training<br/>Part 4 : Indian edition national council of educational research and training<br/>Part 2 : Indian edition national council of educational research and training<br/>Part 3 :  Indian edition national council of educational research and training 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical science study committee
<br/><br/><label>Dewey Class. No.: </label>530  / NCE.P