I.T.D.G :    bulletin 

 - London :    Intermediate Technology Development Group Ltd.,    1969- 
 - v. :    ill. ;    26 cm. 
 - Three times a year 
<br/><br/>  Latest issue consulted: No. 7 (July 1971) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Technology -- Periodicals
<br/><br/><label>Dewey Class. No.: </label>607.05