Categories

• Political Science,Zoology
• Education
• Computer Science
• Biology
• Other
• Environmental Studies
• geography
• Economics
• enviromental studies
• Botany,Physics

Authors

• Naik , v.n.
• Chaturbedi , S.
• Raj M.G
• winniy edge
• Dhingra I.C
• U.,bhaja,U.,bhaja
• nayar
• Orissa Text Book Burean,B.C,Achrya
• Chan
• Saxsena G.C