New treds in physics teaching 
Lewis L. John 
 - U.K  Unesco  1976 
 - 282p. 
<br/><br/><label>ISBN: </label>92-3-101410-2 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>QC 80  / N48 1976