Categories

• geography
• pyschology
• Economic
• Others,Botany
• Others,English
• Hindi
• economy
• Others,Political Science
• Others,History
• enviromental studies

Authors

• E,Shapera
• jogindar, p.j.
• Bhustan
• Harichandar
• Gnover , Gnover
• Dash K
• Mishra and Others,Rout, Pradhan
• Belsey, Cathermane
• wheeler, j.t.
• hansen