The building material industry :    its role in low-cost shelter pro gramms - sectoral studies branch, studies and research division 

 - [s.l.] :    United Nations Publications,    1987 
 - iv, 37 p. :    ill. ;    30cm. 
 - Sectoral Studiea Series ;    no. 39 .
<br/><br/>Includes bibliographical references (p.34-36) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Building materials industry.