Categories

• Others,Biology
• Biology,odiya
• Biology
• odiya
• enviromental studies
• Economics,History
• Mathematics
• Economic
• Political Science,History
• Others,History

Authors

• Pelczar, M.J
• Vikash M.C.
• patri and patri
• Lewys
• Nanda, R.N.
• Others,Mohapatra , BR
• Tomar & Singh
• Rao,V.K
• J.M.H
• Sarat chandra