Categories

• Economic
• Economics,Political Science
• zoolozy
• Biology
• Mathematics
• economy
• Others,Chemistry
• Philosophy
• Others,History
• Other

Authors

• Arora, Singh,Jyagi , Yodev
• Dhaka T.S.
• Das , Yotlha
• P.,poplawski
• Bahinipati, P.
• Satpathy,Mahapatra ,Gauba, O.P
• G.,Chatwal,Das,Nanda, Sharma
• Mohanty , J.,Mohanty , J.
• m.n.,shiv kumar and bhalla
• Sahu, a.c.