Categories

• Chemistry
• Odia
• economy
• Biology,odiya
• enviromental studies
• History
• Others,English
• Others
• Others,Biology
• Mathematics

Authors

• Kotpal, r.l.
• m. shivaram
• i.n.
• rastogi
• Roy. A.K.
• Lawbor
• R.,simpson
• j.r.,brown,j.r.,brown
• H.D
• Parida A.N