Categories

• Physics
• Physics,History
• Economics,Political Science
• Economic
• Biology
• Botany,Zoology
• Physics,odiya
• Zoology
• Botany
• Political Science,Education

Authors

• Das,Chanda ,Inpathy
• croxton, corden and klein
• Samal, mishra and mohanty,Samal, mishra and mohant
• Brenan,I.F.
• Shapino
• Ilosen
• Agasty , Urobina
• swanson and webster
• Biray.U
• Padhi, Hazary, Barl