Categories

• enviromental studies
• Others,Physics
• Mathematics
• Others,Botany
• Others,Biology
• geography
• Others,Chemistry
• Education,odiya
• Biology,odiya
• Others,History

Authors

• Mangal S.K,Jeeves,M
• Chopra R.K
• brijlal and subramayam
• L,Kont,Mohanty , S.B
• B.V
• R.,bandyopadhya,R.,bandyopadhya
• sood, vinaya
• Bhatia
• B.N
• toat, t.f.