Categories

• englisg
• Physics
• Politicalscience
• zoolozy
• Political Science
• Political Science,odiya
• Hindi
• Other
• Physics,History
• Political Science,History

Authors

• Bhatia .K.K
• Lahiri
• Sankala. D.P.
• Sagoff
• Baffer
• Datt , r. and sundharam k.p.m.
• drew
• Das Nansingh,Pattnaik, J.N
• Negi
• Rudin W.