Categories

• Environmental Studies
• englisg
• Botany,Zoology
• Economics,History
• Education,Zoology
• Economics,Political Science
• enviromental studies
• Computer Science
• pyschology
• Others,odiya

Authors

• Mansingh H.L
• Other,Acharya ,Sharma,Nanda. Das
• Chaube
• Sharma Shahoo
• COLLINS
• f.t.
• B.C,Theraja
• Gupta, D.C,Stanke, J.G
• Pattnaik. K.K.
• Jordan