Categories

• Physics,History
• Other
• Zoology
• Economic
• History
• Others,Botany
• Environmental Studies
• Others,odiya
• Others,History
• Physics

Authors

• Sharma, Achanya
• D.,pal,D.,pal
• vidyarthy r.d.,gurtu and kapoor
• Pradhan, K.S.
• Biswal & Lenka
• austin
• M.C, Others,Dash
• forster,e.m.
• Others,Blowey
• mohanty and others