Categories

• Other
• enviromental studies
• Education,odiya
• Botany,Zoology
• Chemistry,odiya
• Education,Zoology
• geography
• Political Science,History
• Economics,History
• economy

Authors

• sutar, a.k.,gupta and gupta
• Clattenjee
• cook
• Meher D
• Lal , Agarwal & Kathuria
• Mishra ,Uppal
• Mohapatra S.R,Mohanty H.K
• Das , C.R.,u.n.,mahalata
• windelspecht
• A.K,Nanda