Categories

• Environmental Studies
• Physics,History
• Biology
• History
• Others,Political Science
• Mathematics
• Physics
• Biology,odiya
• Economics,Political Science
• Chemistry

Authors

• Das , S.,Das , gokulanand
• Bhatia .K.K
• selbin and days
• das and mohanty,paikaray and dash
• Satapathy,Hota
• Sen, a.k.,Sen, a.k.
• R,murphy,Rees, r.j.
• R.K.,Tuli ,anony mouse
• Mohapatra , r.m.
• paish and culyer