Kerr, J.F. <br/><br/>
Practical work in school science 

 - [S.l]  Leicester Univ. Press  1963 
 - 141 p. 
<br/><br/><label>ISBN: </label>246449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-study and teaching
<br/><br/><label>Dewey Class. No.: </label>507.8  / KER