Categories

• Others,Education
• Botany
• Botany,Zoology
• Education
• Physics,odiya
• Zoology
• Others,Physics
• Others,Biology
• Physics,History
• geography

Authors

• S.,glasstone,h.,qyring
• kunj and donnel
• l.k.
• Meher, G.,Das , s.s.
• iyergan
• Baksi
• J.,swift
• Tanga, U.R,B,Kuppusewari
• Marrison, toni
• Behera, k.c.