Commerce Vol. CVIII /  Textual Documents 
No Author. 
 - 1st ed. / 
 - Sl :  Sn ,  1964. 
 - 540p. ;  32 cm.. 
<br/><br/><label>Subjects--Index Terms: </label>Bv-Commerce Journal 
<br/><br/><label>Dewey Class. No.: </label>070  / COM