Categories

• geography
• Logic
• Education,Zoology
• Education,odiya
• Chemistry,odiya
• Physics
• History
• Others,Physics
• Chemistry
• psycholigy

Authors

• S.P,Dash
• Mishra , n.b.
• M.L
• Goyal,Mittal ,Bist
• Meconnell
• Chairy
• Pylee . M.V,B.C,Rout
• J.B.
• Mahanty, A.B.
• Rath, Nanda