Categories

• Others
• Other
• Biology
• Economics,History
• Political Science,Education
• Economics,Political Science
• Zoology
• geography
• enviromental studies
• Botany

Authors

• Das A.C
• B.,Jha ,B.,Jha
• Nagar , A.L
• graham. I and others
• Balagerusany
• Pati, Mhapatra
• Chakravarti
• bottomare
• Lekhi , R.K.
• Ramchandani