Categories

• Biology
• Others,Botany
• economy
• Education
• Environmental Studies
• Economics,Political Science
• Chemistry
• Eng
• Economics
• Others

Authors

• Pradhan, C
• swain and behera
• g.m. ,treyelyan,g.m. ,treyelyan
• M.G. Nayar
• Stoken
• dwibedi
• s.p.,sukhia,Barik ,Swain , Biswal
• wheeler, j.t.
• Deshmukh S
• Morrison ,Boyd