Hayes, Megan. <br/><br/>
Projects in chemistry for the secondary school /    
by Megan  Hayes 
 - London :   Batsford,   1967. 
 - 107 p.:    tables, diagrs. ;    22 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry --Study and teaching (Secondary).------
<br/><br/><label>Dewey Class. No.: </label>540.73  HAY