Categories

• Economics,History
• enviromental studies
• History,odiya
• Hindi
• Others,Chemistry
• Ethics and Values
• Zoology
• pyschology
• Computer Science
• Botany,Zoology

Authors

• Vonghanvy R.L,Meher, Raghunath
• herrick bruce
• Geeta
• singh and bagde
• Padhi
• Sewis
• Huheey
• Lemon, Leet
• Eugene
• fyengan