Categories

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

Authors

• Sahu, a.c.,bandre and paney
• Zemansky
• s. and parida
• Kent
• pushkin
• Auasthi
• B.n.,Baruah,G,davidson
• Sahoo. R.N
• A.K,Nanda,Kumar, Dr
• subrahmanyam & others,kishna, gsp. And others