Categories

• Others,Chemistry
• zoolozy
• Economic
• evs
• Logic
• Education,Zoology
• Botany,Physics
• Physics,odiya
• Others,Physics
• Education,odiya

Authors

• Shelley
• Asch
• Oskahott, Les
• Gupta, D.C,B.C,Rout
• hoonby
• P.K,Parida
• singh and bagde,k.,methews, p.m. and venkatesam
• Panigrahi , Mishra ,Singh,Sharma,Nanda. Das
• meier
• radhakrishnan