Categories

• Logic
• zoolozy
• Physics,History
• Others,Botany
• enviromental studies
• History
• geography
• Education,Zoology
• englisg
• Others,Education

Authors

• Tanga, U.R,Mohanty , J.B
• B.N,Tripathy,Macdonell, A.A
• Srivastava, K.M.,Srivastava, K.M.
• R.N.,dwibedi,gupta and gupta
• verma and gupta
• Yadav P.R
• Sharma,Nanda. Das ,Das,Sharma
• MohantyD.K
• Singh Sukbir
• Mehta , V.K.