| Author Profile : |
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 | Author : | Dr. Sony Kumari
| | Current Position : | | Assistant professor, Marwari college Department Of Physics, L.N.M.U., Darbhanga. | | Education : | | - | | Short Profile : | | Dr. Sony Kumari is working as Assistant professor at Marwari college Department Of Physics in L.N.M.U., Darbhanga.
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