Categories

• geography
• Economics
• Education,Zoology
• Biology
• Botany
• Others,Physics
• Other
• Environmental Studies
• Others,History
• Others,English

Authors

• Mohanty D.
• Das , gokulanand
• mair, j.a.
• Das Nansingh
• Samantray G.D
• Stoken
• shegal and chopra and shegal
• Mishra , B.K.,gupta and gupta
• Parida .P.K
• O.,sarad,P.,Ray