Business week 

 - New York :   McGraw-Hill,  1999 
 - 1993 : (3300-3301-3302-3303-3304-3305-3306-3307-3308-3309-3310-3311-3312-3313-3314-3315-3316-3317-3318-3319-3320-3321-3322-3333-3334-3335-3336-3337-3338-3339-3340-3341-3342-3343-3345-3346-3347-3348-3349-3350) 1998: (3548) 1999: sept(6) 2002: mar(25), apr(1,22,29,\ especial), mayo(6,13,20), jun(3,10,17,24), jul(8,22,29), ago(5,12,19,26), sept(2,9,16,23), oct(9,14,21) 2003: ene(13,20),feb(3,10,17,24,27,spring), mar(24,31), abr(7,14,21) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comercio<br/>Economía
<br/><br/><label>Dewey Class. No.: </label>PP 380.1 B981w