Black, Maggie, <br/><br/>
From handpumps to health :  the evolution of water and sanitation programmes in Bangladesh, India, and Nigeria / 
Maggie Black. 
 - New York, N.Y., USA :  United Nations Children's Fund,  c1990. 
 - 133 p. :  ill. (some col.) ; 
<br/><br/> "July 1990"--T.p. verso. 
<br/><br/><label>ISBN: </label>9280600516 
<br/><br/><label>Dewey Class. No.: </label>614.7 BLA.N0