Categories

• englisg
• Others,History
• Physics,History
• zoolozy
• Education,Zoology
• Economics
• Physics
• Others,Chemistry
• enviromental studies
• Political Science,Zoology

Authors

• w.g.
• Dela A.P
• Nayak, B.K,Palagunusang E
• Othery
• Satapathy,Pratibha
• patra, Jyotsnamayee
• P.,Arora,P.,Arora
• Andrews, W.r.
• k. charan
• Panda U.S