Categories

• Education,odiya
• Chemistry
• geography
• Environmental Studies
• zoolozy
• Economics
• Education,Zoology
• Political Science
• History
• Others,Physics

Authors

• Dysen A.E
• Arora M.G
• french, f.g.
• sharma and sharma
• B.K,Dhala
• Gupta,Gun,Dasagapta
• Saiyh, Khuswarth
• Gupta, r.d. ,a.c.,kapur
• j. and patnaik
• Keroul, Jack