Categories

• Others,Chemistry
• History,odiya
• Philosophy
• Others,English
• Education,Zoology
• Physics
• Mathematics
• enviromental studies
• Political Science,Zoology
• Environmental Studies

Authors

• brijlal and subramayam
• J.,swift,J.,swift
• ,Carson Batecher
• D.R,Bali
• das and mohanty,sharma and sharma
• Majumdar Datla
• Dash A
• j.w.,garner,j.w.,garner
• on
• v. ,sitaramiah,v. ,sitaramiah