Categories

• Other
• Economic
• Others,Physics
• Botany,Zoology
• Botany
• Logic
• Others,Education
• Physics,odiya
• Mathematics
• enviromental studies

Authors

• coulter and chamberlain
• Mishra , b.b.
• G.L
• P,Mishra B,Todaro, Michal
• Jaim J.L.
• Dsowja
• porter, t.e.,Shakespeare, W.
• Harischandan N.B.
• Mansingh,M.
• r.s.r.