Guide to industrial purchasing 

 - New York  United Nations USA         1972 
 - ix, 45p. Bib p 43-45  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quality Control
<br/><br/><label>Dewey Class. No.: </label>X9:89Ug, L2