Categories

• Economics
• Botany,Physics
• Political Science,History
• Mathematics
• economy
• psycholigy
• Others,Biology
• Chemistry
• Economic
• History

Authors

• Bhalla
• Mohanty B.N.
• M.,Bhat
• Singh, V.B
• B.,Khan,B.,Khan
• Chaudhury , J.G.
• power and mishra
• Das Govinda
• Das , K.K.
• Chtray