Categories

• Physics,odiya
• Environmental Studies
• Economics
• Physics
• Others,English
• Others,Botany
• zoolozy
• Chemistry
• enviromental studies
• englisg

Authors

• jogindar
• Srinivasan K.R
• V.D
• Glasstone. S
• Theraya B.L
• mathur
• engang, r. and rohr d.g.,engang, r. and rohr d.g.
• Mansingh,M.D
• Berma G.C
• r.m.,bartlett,Nayak, n.n.