Categories

• Logic
• Economic
• zoolozy
• Physics,History
• Chemistry
• Philosophy
• Botany
• Political Science,Zoology
• Political Science
• Zoology,odiya

Authors

• D.,salvatore,rout and lenka
• Seely Jhon
• Gupta, Srivastava,P,Saxena
• d.s.
• Srosefield
• John,hackett
• Chandra
• Mohapatra , J.N
• Patri , Patri
• aiyer