Categories

• English
• History
• enviromental studies
• Mathematics
• Political Science
• Politicalscience
• Environmental Studies
• Economics,Political Science
• Botany
• geography

Authors

• Anastogi , Urleine
• M.C Graw Hill
• Satpathy H.P.
• Schouten
• A,Padhan,A,Padhan
• R.K
• A.L,Bhatia
• Heal
• Gan
• Kanding