Helm, Franz C. <br/><br/>
The Economics of Co-operative Enterprise 
/by Franz C. Helm 
 - London:  The Co-Operative, Tanzania;  1968. 
 - x,246p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>334.6  / HEL/T