Technologies from developing countries II / 
United Nations Industrial Development Organization 
 - 65 p. :  il. ;  30 cm. 
 - United Nations Industrial Development Organization. Development and transferof technology series ;  7 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>TECNOLOGIA.
<br/><br/><label>Dewey Class. No.: </label>600  / D3 v.7