Categories

• Mathematics
• Hindi
• Others,Botany
• Others
• English
• Eng
• Environmental Studies
• Botany,Physics
• Education
• Physics,odiya

Authors

• Prasad, m.rn.
• Gupk
• Samal, mishra and mohanty,Samal, mishra and mohant
• Agrawal B.C
• mahanta and bhattacharya
• taylor, philip. E
• Twain
• Hornly A.S
• Dalin. R.C.
• Mishra , n.n.,Nayak, l.