Categories

• Other
• evs
• Physics
• Environmental Studies
• Botany,Physics
• Others,odiya
• Others,Physics
• Zoology
• Education,odiya
• Others,History

Authors

• John,butt
• a.c.,kapur
• Acharya , singh and jena
• toat
• Kohli,A.L
• F.E
• G.K,Ghash
• Aliraham,Jetsy
• B.,Baruah,das and mohanty
• A,Padhan,S.K,Mangal