Categories

• Biology
• economy
• Economic
• Economics
• Computer Science
• englisg
• Political Science,Education
• enviromental studies
• zoolozy
• Economics,History

Authors

• Mohapatra , b.p.
• S.,mookerjea
• Hardy , Thomal
• Khana
• Harris G.
• Bakshi, S.R,P.chandna , Arora
• Swain
• Singh N.K
• Palagunusang E
• Hawkes, Terence