Categories

• Others,Biology
• Hindi
• Others,Education
• History
• zoolozy
• Economics,History
• Economic
• Others
• Ethics and Values
• Biology

Authors

• G.C,Nayak
• Chakravarti J
• Chig, Datiya , Gupk
• graham
• Samal, g.s.
• Chanda
• David,murdoch
• Bhatia,H.R
• Lenka
• Tara