Cripwell, Ken. <br/><br/>
Dirty water / 
Ken Cripwell. 
 - England:  Longman Group,  1985. 
 - 32p.:  ill.; 
 - Child to child readers. .
<br/><br/><label>ISBN: </label>0582895073 9780582895072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health - primary school children.
<br/><br/><label>Dewey Class. No.: </label>428.64