Categories

• Economics
• IT
• Education,Zoology
• Other
• Others,Education
• geography
• Zoology
• Ethics and Values
• Others,Chemistry
• Computer Science

Authors

• B,Keith
• Agrawal,Lekhi ,K.K,Das
• N,Sewis,Funk, W
• Sahu, b.d.,Sahu, b.d.
• Bandopadhya
• Pullman ,P.
• avasthi and maheswari,sharma and sadana
• Nayak,P.M.
• Paul,R.R,Parida,B.C
• Sahu Chaturbhuja