Categories

• Economic
• Education,odiya
• englisg
• Environmental Studies
• Physics
• economy
• Education,Zoology
• Botany
• Zoology
• Physics,History

Authors

• gotlfried
• Sahu, mishra and sahu,Gupta, m.g.
• Dubton , Richand
• Ahuja. M.L.
• Malomben, Roger
• I.A,Richanls
• lakdowala, d.t.,lakdowala, d.t.
• Mishra S.C,Panda B.B
• Wade L.G.
• Das , c.