Categories

• economy
• Environmental Studies
• Others,Chemistry
• Botany,Physics
• Others,History
• Economics
• Zoology
• Others,English
• Education
• Chemistry,odiya

Authors

• Vedanayagan
• Mishra P.K,roy and padhy
• Das , k.c.,Das , k.c.
• dumes
• Raghaban , Jayasan
• coker, f.w.
• Baumol, Blinder
• M.K.,nain,M.K.,nain
• Bisapia Subhash
• l.a,hin,l.a,hin