Sanitation promotion :  what teachers need to know and do. 

 - [s.l.] :  [s.n.] ,  2000 
 - 18 p.:  ill. ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitation
<br/><br/><label>Dewey Class. No.: </label>363.72