Categories

• Others,Chemistry
• Others,History
• Chemistry
• Ethics and Values
• Other
• Others,Biology
• Education,Zoology
• Economics,History
• Hindi
• Physics,History

Authors

• Mishra ,Shivkda
• Zan
• Paymol, W.J
• trehan k.
• Mohanty ,M.R
• Patnaik, n.r., j. and patnaik
• Mohantry
• vyasalu
• P.,moynihan danial
• S.A