GENERAL business for economic understanding 
S. Joseph DeBrum ...[et.al]., 
 - 10th ed. 
 - Cincinnati  South-Western Pub. Co.  c[1971] 
 - ix, 678p.:  ill. (part col.);  24cm 
<br/><br/>"Finding useful information": p. 643-647 
<br/><br/><label>ISBN: </label>0538071303 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business<br/>DPM, DRM, AEN