By Obi Toshio   in Journal of Asian and African Studies

ISSN:0021-9096|15|1-2|170-171

Brill‎(1980)‎

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By Tran Nhat Le   Obi Toshio   in International Journal of Electronic Business

ISSN:1470-6067|5|1|1-21

Inderscience Publishers‎(2007)‎

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