Categories

• Education,Zoology
• Physics,History
• Others,Physics
• Economics,History
• Others,Biology
• Others
• Others,odiya
• Eng
• Others,Botany
• Mathematics

Authors

• s. and lewis
• Maihi
• Shukla , p.d.
• Kumar,Venina
• Simon
• Mishra , M.K
• Davidson G.
• J.B.
• dash panchanan
• Das , C.R.