Categories

• Others,History
• Others,Physics
• Political Science,Zoology
• Education
• Logic
• Politicalscience
• Others,odiya
• Hindi
• enviromental studies
• odiya

Authors

• B.,Patel
• S,Glasstine,P,Mukharjee
• B.,Chakravarti
• varma and sanyal,Jena, n.k. and others
• nat
• Nayak A
• nayak and ray,Nayak, g.d and others
• Feirman , Price
• W.T,Andress
• S.K,Suar ,Gupta, Gupta