Categories

• Physics,History
• Education,Zoology
• Economics,History
• History,odiya
• Computer Science
• Others,Biology
• odiya
• Others,Chemistry
• zoolozy
• Chemistry

Authors

• Bhushan,Bhagban
• leavitt
• Potter , Goldberg
• Butterfield.J.
• Lunia
• Pattanaik, Pattanaik
• Mansingh, M.
• wells
• h.,peten
• Laxmikanta M.