Categories

• evs
• Physics
• Physics,History
• Education,odiya
• enviromental studies
• Physics,odiya
• History,odiya
• Political Science,History
• Others,Biology
• Economic

Authors

• Sundharam , Vaish
• Scanes , Cathenine
• S.
• Mohanty , j.c and mishra d.k.,Mohanty , j.c and mi
• B.N,Dash
• Srivastava, h.s.
• Musgrave
• Bristow
• Andress
• Dutta Mala