Carr, Marilyn <br/><br/>
Economically appropriate technologies for developing countries  : an annotated bibliography 
/ by Marilyn Carr 
. - 3rd impression 
. - London  : Intermediate technology publications, 1981
. - 123 p  ; 21 cm. 
<br/><br/>Index. 
<br/><br/><label>ISBN: </label>0903031752 
<br/><br/><label>Source: </label>103469  Don 
<br/><br/><label>Universal Decimal Class. No.: </label>620.001