Categories

• Chemistry,odiya
• Others,English
• Education
• Eng
• Physics,History
• Others,Political Science
• Others,Education
• Economic
• Education,Zoology
• Economics,Political Science

Authors

• M.,gray,M.,gray
• Vdgala G.C,A.K,Pattanaik
• Khandelwal K.A
• Veluthat K.
• n.k. and others
• Srivastava
• s. and mohanty
• Bahl , Bahl,Das,Nanda, Sharma
• Hrushikesh
• Sanders, andrew