Encyclopaedia of teaching of science :  M S Yadav. 

 - New Delhi :   Anmol publishing,   2000 
 - 268 p. (v-2) :  21 cm. 
<br/><br/><label>ISBN: </label>8126104945 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.;Oscillations.
<br/><br/><label>Dewey Class. No.: </label>507.03  / ENC  2000