Categories

• Physics,History
• Eng
• Environmental Studies
• Political Science,Education
• Education
• Botany,Physics
• Others,Biology
• Physics
• Hindi
• Economic

Authors

• J.,tamanasseri,chakrabarti, rao and others
• A.K,Vasisth
• Satapathy N.N
• Mukharjee, Samal,Mukharjee, Samal
• Sambalpur University,Meher, k.c.
• Sinha P.G.
• Nicolash
• v.a
• Mohapatra , J.N,N,Sahu
• Mishra , k.a.,Mishra , k.a.