Categories

• Education
• Others,Chemistry
• Economics,History
• Others
• economy
• Eng
• Botany,Physics
• Other
• Chemistry,odiya
• enviromental studies

Authors

• paish and culyer
• S.K,Mangal,Honlck, E.B
• Bhushan
• Datta , Jana
• Vann, J.D,Cowell R
• Bala Kryhhan
• K,Hartmann
• Bpse, A.
• Mungeshan R.
• S.K,Mahanty