Categories

• Physics
• psycholigy
• Economic
• Others,Chemistry
• Others,Education
• Other
• Ethics and Values
• Physics,odiya
• Economics,History
• Mathematics

Authors

• Mishra , B.,S.K.,Tuli
• B.,Patel
• R.N.,Agrawala
• Gupta, D.C,P,Chandra
• Ghatak , A.,Ghatak , A.
• Pujari .N.
• S.H.
• thornton, kathryan
• A.,carter
• Chrystal