Categories

• enviromental studies
• Economics
• Political Science,Zoology
• odiya
• Botany,Physics
• Mathematics
• Economics,Political Science
• economy
• Politicalscience
• History

Authors

• Swain , Biswal,Barik
• gettel, r.g.
• Frank Anne.
• Bronte
• David
• Neason
• Anson,Schwegler
• m.p and tandon
• Satish
• C.H