Categories

• Others,Education
• Education,Zoology
• Zoology,odiya
• English
• Others,Chemistry
• Others,History
• evs
• Physics
• economy
• Mathematics

Authors

• ray and nayak
• Chhotray G.
• Manku G.S
• Tilak, R.,m.g.,nayar
• Sharma,Barik,Dash
• hazard, j.n.
• Sarean T.
• Sarin
• Panda, G.C,Datt , Sundaram
• morris jones