Sanitation in developing countries 
/ Proceedings of a workshop on training held in Lobatse, 14-20 August 1980 
 - Botswana:    International Development Research Centre,    1980 
 - 172p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Environment  
<br/><br/><label>Universal Decimal Class. No.: </label>628.2/.6(1-773)(082.2)  / M1