Categories

• Others,Biology
• Physics,odiya
• Computer Science
• economy
• Political Science,History
• Physics,History
• Environmental Studies
• Logic
• pyschology
• Botany,Physics

Authors

• johnston
• Dal , D
• Kapoor , a.c.,Kapoor , a.c.
• P.
• strong, c.f.,strong, c.f.
• Dwivedi, a.n.
• S.B
• Mohapatra , D.
• Rasey, P.w
• B.P,Pandey ,Vashichta, B.R