Categories

• englisg
• Physics,History
• Economics,Political Science
• Others,English
• Political Science,Education
• Botany,Physics
• Others,Political Science
• Others,Biology
• Zoology,odiya
• Others,Chemistry

Authors

• R.N,Shirivastave
• Belsey
• laski, h.j.
• Chand, v. , m. and anand
• Bahl , Bahl,Das,Nanda, Sharma
• Safaye
• Mohanty , J.B,Senapati S.M
• Sikri
• Mallick
• dalton, h.,dalton, h.