Johnsey, Robert. <br/><br/>
Problems solving in school science/ 
Robert, Johnsey. 
 - London:  Simon and Schuster,  1986. 
 - 64p.  ill.  26 cm. 
<br/><br/>includes index. 
<br/><br/><label>ISBN: </label>9780750100434 
<br/><br/><label>LC Class. No.: </label>Q183.G7  / .J63 1986