Categories

• Other
• Physics,History
• Education
• Biology
• Others,Chemistry
• Others,History
• Botany
• economy
• Zoology
• Politicalscience

Authors

• sarkar and datta
• Das G.H.
• Bhagwan , Bhayan
• Pradhan J.M,Das , D.R
• Aswathappa ,K.Remappi
• Sunyananayana, N.V
• L.I
• Lal, s.s. ,Lal, s.s.
• M.N
• Tull