Singer Hans <br/><br/>
Technoologies for basic needs 
Singer Hans 
 - Geneva  Int Labour Off       1979 
 - x, 158p.  cm. 
<br/><br/><label>Standard No.: </label>134,121 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X8(A):77:(F), L9