APA Style
Bahrami, A.. ().
North American industry classification system United States- 1997 .
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Chicago Style
Bahrami, A..
North American industry classification system United States- 1997.
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MLA Style
Bahrami, A..
North American industry classification system United States- 1997.
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Turabian Style
Bahrami, A..
North American industry classification system United States- 1997.
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.