Categories

• evs
• Mathematics
• Physics,History
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• Biology
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Authors

• Manoya M.L
• Chaula S.P
• ,Carson Batecher
• Sahu ,Padhi & Dash.
• K.K.,bharadwaj
• S.K.,misra,S.K.,misra
• Sinha,Vashishta
• Meher, G.,Das , s.s.
• leavitt
• Dath , B.N,Parida. B.C