Categories

• Physics
• Botany
• Economic
• English
• Chemistry,odiya
• Others,Chemistry
• Others
• Environmental Studies
• economy
• Logic

Authors

• marsh, e.r.t.,marsh, e.r.t.
• M.R,Ridley ,J,Lahiri
• A.K,Mukhopadhyaya
• Lasmie
• bruce
• Fillinghan L.A
• ministry of int & brood casting
• Lal, s.s. ,Behera, A., a. and kumar
• Dash, k.b.,Dash, k.b.
• Chateau , Zachmann