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 | Electronic commerce | Volume 4: No. 22 | 19940602 |
 | Electronic commerce | Volume 4: No. 25 | 19940623 |
 | Electronic commerce | Volume 4: No. 28 | 19940714 |
 | Electronic commerce | Volume 4: No. 33 | 19940825 |
 | Electronic commerce | Volume 4: No. 35 | 19940908 |
 | Electronic commerce | Volume 4: No. 42 | 19941103 |
 | Electronic commerce | Volume 4: No. 46 | 19941208 |
 | Electronic commerce | Volume 5: No. 01 | 19950105 |
 | Electronic commerce | Volume 5: No. 04 | 19950126 |
 | Electronic commerce | Volume 5: No. 07 | 19950216 |
 | Electronic commerce | Volume 5: No. 12 | 19950330 |
 | Electronic commerce | Volume 5: No. 18 | 19950518 |
 | Electronic commerce | Volume 5: No. 25 | 19950713 |
 | Electronic commerce | Volume 5: No. 27 | 19950727 |
 | Electronic commerce | Volume 5: No. 30 | 19950817 |
 | Electronic commerce | Volume 5: No. 33 | 19950914 |
 | Electronic commerce | Volume 5: No. 42 | 19951130 |
 | Electronic commerce | Volume 6: No. 04 | 19960111 |
 | Electronic commerce | Volume 6: No. 14 | 19960215 |
 | Electronic commerce | Volume 6: No. 25 | 19960409 |
 | Electronic commerce | Volume 6: No. 34 | 19960509 |
 | Electronic commerce | Volume 6: No. 74 | 19961024 |
 | Electronic commerce | Volume 7: No. 19 | 19970325 |
 | Electronic commerce | Volume 7: No. 32 | 19970515 |
 | Electronic commerce | Volume 7: No. 39 | 19970617 |
 | Electronic commerce | Volume 7: No. 51 | 19970805 |
 | Electronic commerce | Volume 7: No. 76 | 19971106 |
 | Electronic commerce | Volume 7: No. 81 | 19971202 |
 | Electronic commerce | Volume 7: No. 84 | 19971211 |
 | Electronic commerce | Volume 8: No. 2.1 | 19980113 |
 | Electronic commerce | Volume 8: No. 6.1 | 19980217 |
 | Electronic commerce | Volume 8: No. 7.3 | 19980305 |
 | Electronic commerce | Volume 8: No. 11.1 | 19980331 |
 | Electronic commerce | Volume 8: No. 12.2 | 19980415 |
 | Electronic commerce | Volume 8: No. 14.3 | 19980507 |
 | Electronic commerce | Volume 8: No. 25.2 | 19980819 |
 | Electronic commerce | Volume 8: No. 38.1 | 19981208 |
 | Electronic commerce | Volume 9: No. 02 | 19990112 |
 | Electronic commerce | Volume 9: No. 09 | 19990316 |
 | Electronic commerce | Volume 9: No. 10 | 19990323 |
 | Electronic commerce | Volume 9: No. 19 | 19990615 |
 | Electronic commerce | Volume 9: No. 24 | 19990803 |
 | Electronic commerce | Volume 9: No. 28 | 19990907 |
 | Electronic commerce | Volume 9: No. 38 | 19991107 |
 | Electronic commerce | Volume 9: No. 36 | 19991116 |
 | Electronic commerce | Volume 10: No. 06 | 20000222 |
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