Categories

• Biology
• History,odiya
• economy
• englisg
• Political Science,Education
• Zoology
• Others,Chemistry
• English
• geography
• Chemistry,odiya

Authors

• Rees, R.J
• Tewari K.K.
• k.,kanan
• Erich
• Sard Chandra
• raychoudhury
• galsworth
• Gravellel , Rees
• Chandel
• Palmer