Categories

• evs
• Others,Botany
• Physics,History
• enviromental studies
• History
• Education,Zoology
• Others
• Eng
• economy
• Computer Science

Authors

• Carten
• John,Sarjeev
• Datt , k.p.m., r and sundaram
• agarwal a.m
• B.P,Pandh
• Nelkon , Panker,Mehla, V.K
• Y.D
• Patri , Patri
• Samal. B.C.
• Ray, B.n.,Ray, B.n.