Water and environmental sanitation. 

 -   38 cm. 
 -   Item 
<br/><br/> Paid up registered users. 
<br/><br/>AR/MISR/139/1/1 
<br/><br/><br/>English 
<br/><br/> Shelf no.1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitation, Rural<br/>Water-supply-- Planning-- Environmental aspects.