Categories

• Economic
• Economics,Political Science
• Others,History
• Other
• Others,Physics
• Botany
• Botany,Physics
• Physics
• Education,Zoology
• zoolozy

Authors

• Mohanty , Mohanty
• Brar, K.S.
• Samal, Mishra , Mohanty,y.r.,waghmane
• Chairy
• mansingh and patra,sharma and satyal
• j.k.
• M,Chanda
• S.B,Chakrabanti
• Das H.K.
• S,Singh