Categories

• Others,Chemistry
• Others,History
• Physics,History
• pyschology
• evs
• Chemistry,odiya
• Economics,History
• zoolozy
• economy
• Others

Authors

• Chaudhari.P.K.
• Walker
• j.w.,garner
• Mohapatra , k.,Mohanty , b.d.
• M.,sivaram,M.,sivaram
• A.L.,vohra
• Dores
• Goyal,Tarun
• Mohapatra,Acharya
• bhalla