Categories

• Other
• Computer Science
• geography
• economy
• Political Science,History
• Others,Botany
• Chemistry
• Education
• Politicalscience
• Political Science,Education

Authors

• Srivastava, Jhosi
• Jain , J.L.,tyagi and meheta
• Kotpal, R.L,Katyal ,Satake
• i.
• Odum , E.P,Trivedi,Pandly
• Sahu, j.k.,Sahu, j.k.
• Jespensen ,Otto
• Kange
• c.,brooks,c.,brooks
• Uilde Oslar