Categories

• Chemistry,odiya
• Physics,History
• Others,Physics
• psycholigy
• economy
• Others,English
• Other
• Chemistry
• Biology
• Economics

Authors

• Senapati R.M
• Verghese
• Sharma C.D
• k.,kanan,Jain , J.L.
• Panigrahi,Padhi, N.C
• Hill , h.e.,Hill , h.e.
• Das H.P
• B.K.
• davey brain
• Sard Chandra