Categories

• Education
• Physics
• englisg
• Others,Chemistry
• Others,History
• Others,Education
• History
• Political Science,Education
• Botany,Zoology
• Chemistry,odiya

Authors

• Anand,Chatwal
• Batra,Shakti
• Swain. A
• Ilosen,Hernick
• b.d.
• Sahoo
• J.C,Agganid
• Padhi
• Prajat
• G.H