Categories

• Others
• Physics
• Eng
• Others,Chemistry
• Environmental Studies
• Botany,Zoology
• englisg
• Biology,odiya
• Mathematics
• geography

Authors

• M.H,Abrams
• Bhuyan , d.r.,R.D,Sharma
• Biswal U.N.
• Chadhury S.K
• Chaini R.K.
• rubinfeld
• S.P
• n.k. ,pardin
• Dahl
• Roy .T.