Categories

• evs
• Environmental Studies
• Others,Physics
• Physics,odiya
• Odia
• Economic
• enviromental studies
• Botany
• Biology
• Education,Zoology

Authors

• Meher, Raghunath
• Tripathy K. N.
• Child,Bannand
• Johari, J.C,Pylee . M.V
• Odum
• G, E,Finnegan,Sahu.R.C
• Lathan J.E.M,Sullivan S
• Das , Hota , r.c. mohanty,Das , Hota , r.c. mohant
• Hilgand,Whinson
• Nanda