Categories

• Hindi
• geography
• Education,Zoology
• Economics,History
• Eng
• Education,odiya
• Physics,odiya
• evs
• Zoology
• History,odiya

Authors

• Sambalpur University
• Ray, R.K.
• Bhaduduni,Amit
• Einstein A.
• Kumar H.D
• Ray, Bhattachargya
• Prem,Nath
• D.,richtmyer f.k.,resnick r. and holiday
• Srinivas M.N
• k.k. and sundaram k.p.m.