Categories

• Botany,Physics
• geography
• englisg
• IT
• psycholigy
• History
• Zoology
• Chemistry
• evs
• Chemistry,odiya

Authors

• Rath, banamali,Rath, banamali
• Chandra .P.
• Koshp
• rout and lenka,Nayak, g.d and others
• Sovaso ,N.N
• v. ,sitaramiah,v. ,sitaramiah
• Gupta, P.K.,Power , c.b.
• Bramha
• Amrit
• an