Categories

• Economics,History
• Others
• Physics
• psycholigy
• geography
• Physics,History
• Botany
• Hindi
• Others,odiya
• pyschology

Authors

• marriolt, j.a.r.
• sivan
• Lenka
• P.,nandy
• Bassor
• Das,Sharma Nanda
• Srivastava, c.b.l. singh y.n.
• Fosten N
• Sahu, mishra and sahu,Sahu, mishra and sahu
• Bohls