Categories

• psycholigy
• Others,Biology
• Physics,History
• Others,History
• economy
• Botany,Zoology
• History
• Botany
• Economics
• Others,Physics

Authors

• Shukla , m.p.
• P.C,Vasishta
• murray
• anantha krishnan,gupta and sharma
• Barua
• Ghatak , A.,Ghatak , A.
• Orissa Text Book Burean,B.C,Achrya
• B.K.,vattacharya
• Hanary, Frank,Hall , Knight
• Das Chams