Categories

• IT
• englisg
• Others,Physics
• Others,Biology
• Economics,History
• Others,Chemistry
• History
• Physics
• Physics,odiya
• Botany,Zoology

Authors

• ray and nayak,Dash, k.c and others
• M.S
• Sanders, Julie
• Bharjaua
• A.,willey,A.,willey
• Satpathy, s.n.,f.,cafca
• Johari
• Langsam, W.C,Maili, P
• Koui
• sigh,mishra and mohapatra, ahmed and sharma