Categories

• Others,Biology
• Others,Physics
• Botany,Physics
• Others,Botany
• Logic
• pyschology
• Biology,odiya
• Economics,Political Science
• geography
• Economic

Authors

• Dutt ,V.P.
• Pradhan,Raut
• Nayak .R
• Pattanaik,N.R.
• World Bank
• Dwivedi, a.n. ,verma and agrawal
• Roy
• Pandey B.p
• Tripathy, r.s.,Tripathy, r.s.
• prashad