Teachers Guide II : The Basic Course Section 8 to 14 

 - Australia :  Nuffied Foundation,  1973. 
 - 329p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Science<br/>Mahinda Ranaweera Collection
<br/><br/><label>Dewey Class. No.: </label>500.2  / TEA