Categories

• Other
• Biology
• Chemistry,odiya
• Chemistry
• Political Science,History
• Physics,History
• Hindi
• Politicalscience
• Others,Chemistry
• Others,Physics

Authors

• Gurn G.P.
• ,Goodman, vvr,,Goodman, vvr
• ,Nayak, D.N
• sigh, ahmed and sharma
• Singh S
• Rao,Ediger
• G.,Whitmore
• Chandra S
• K.C Maharana
• Mohanty , J.B,Panda, K.C