Categories

• Others,Physics
• English
• Environmental Studies
• Others,Biology
• Zoology
• Biology
• Economics,Political Science
• geography
• Chemistry,odiya
• evs

Authors

• K
• Das,Sharma,Panigrahi,Sharma
• Routray, N.,das and mohanty
• Lord.Benrand,Ray A.K
• Parida B.C
• mathew
• Holger
• panikkar, k.n.v.
• Subrahmanya
• Dunn