Categories

• Others,Chemistry
• enviromental studies
• Odia
• IT
• Hindi
• English
• History
• geography
• Economics,History
• Other

Authors

• t.,williams,t.,williams
• mohanta
• jl.
• Pattanaik, J.B.
• Ginod , Rogen,B,Kulpusenary
• Apostol T.M
• opadhyaya
• Srivastab U.N
• Prakash , Panda,Tuli ,Basu
• B.,vickers