Categories

• Economic
• Others,Physics
• IT
• Physics
• evs
• Biology,odiya
• Others,History
• Botany,Zoology
• zoolozy
• englisg

Authors

• donnel
• Kotpal, R.L,Katyal ,Satake
• Patra, Ramesh
• Tull , Sonu
• Dalai, D.K.
• Mallik H.K,Mohanty P
• mitra and mohanty,Mishra , d.k.
• lous ks
• patro
• Rajaraman V.