Categories

• Economics,History
• Others,Chemistry
• Chemistry,odiya
• Zoology
• Physics
• Political Science,History
• Botany,Physics
• Biology
• Logic
• Education

Authors

• R.D,Trivedi
• Parsons T.H.
• hawthorne
• Mittal D
• Mohanty S.B.
• Mayal
• NDR
• e.,borker
• Chandra,Bipin
• Bist