Categories

• Others,Chemistry
• Others,Education
• Biology,odiya
• evs
• geography
• History
• Physics
• Eng
• Others,odiya
• Chemistry

Authors

• Das , L.K
• Sarangi
• Nayak .R
• Tripathy S.N,Das S
• Coles Ed Boand,R.L,Varshney
• Parameswara Nanda S.
• orissa
• Ahsan , s.p., j. & sinha
• Agrawal A.N
• Hauge