Categories

• Economics,Political Science
• enviromental studies
• History
• Political Science,Zoology
• Others,History
• Other
• Education
• geography
• Chemistry
• Others,Physics

Authors

• J.,bunting,J.,bunting
• K.B.Rai
• lee
• Chopma
• chamberlain
• Sasikamar
• Mishra S.C,Panda B.B
• Pattanaik, r.c.,Pattanaik, r.c.
• Sharada
• A.