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 | | |  |  |  | | |  |  |  | | |  |  |  | | |  |  |  | Merchants, Click Below To Login | | | |  |  | |  | E-Glossary A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | | 'zine An underground publication usually done on business time. 80/20 principle In marketing, the idea that 20 percent of all customers generate 80 percent of the demand. | | 
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