Categories

• Environmental Studies
• odiya
• Others,Chemistry
• Biology
• Botany,Zoology
• enviromental studies
• Education,Zoology
• Physics
• Others,Biology
• Others,Education

Authors

• B.C,Rout,Banas, Hazari , Podhi
• M,Dash,Mohanty , J.B
• Osho
• L,Kont,Prem,Nath
• Bohls , Duncan
• S.,Rabi
• Hansraj
• Singh & Bansal
• Jhunjhunwala. L
• Mishra , T