Categories

• geography
• English
• Odia
• enviromental studies
• Biology
• Education
• Computer Science
• Chemistry,odiya
• History
• Eng

Authors

• b.c.
• Bagchi K.K.
• Das,Das , Mohanty
• B.,Jha ,B.,Jha
• Hewand W.L
• S(Comp)
• S.,hafizuddin
• Mangal S.K
• R.N.
• hudson