Categories

• History
• evs
• Physics
• Economic
• Environmental Studies
• Others,odiya
• Eng
• Chemistry
• economy
• Economics

Authors

• Mishra S.K
• Ratha K.C
• orissa
• Mohan
• Mohanty , Gopintha
• John,Hospens,G.C,Nayak
• Gupta, R.D
• Schouten
• Sarkar. M
• Khan