Categories

• IT
• Others,Botany
• Political Science,Zoology
• geography
• Computer Science
• Zoology,odiya
• Chemistry
• enviromental studies
• History
• pyschology

Authors

• bhojwari and bhatnagar
• Das,Nanda, Sharma
• Pillai, Bhagbati
• swift
• Sisodia K.
• Peleg
• Thomson
• Kar, R.K.,V.K.,khosala
• Dubton , Richand
• c.d.,batty