| Author Profile : |
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 | Author : | Dr. J. P. Singh and Kumar Aditya
| | Current Position : | | Professor , Faculty of commerce , Banaras Hindu University , Varanasi, U.P. India. | | Education : | | - | | Short Profile : | | Dr. J. P. Singh is working as Professor, Faculty of commerce in Banaras Hindu University , Varanasi, U.P. India. |
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