Categories

• Others,Chemistry
• Environmental Studies
• Others
• Economics
• Physics
• Others,Botany
• geography
• History,odiya
• odiya
• Others,odiya

Authors

• Sahu, Mishra ,Saha
• Mohanty , B.D,Das ,A.K
• Thamarasseri &Petteti
• Bhatia, K.K.,Mohanty , M.S.
• Sheikh
• Sinha , S.K.,D.,lindley
• ready and m.r.
• Punekar
• M.S.,Yadav
• S.K,Suar ,Bansal , J.L