Categories

• zoolozy
• Economics
• English
• Others,Physics
• Education,Zoology
• Zoology
• Chemistry,odiya
• Economic
• Biology
• enviromental studies

Authors

• Pay
• J.,thirber,J.,thirber
• Mohit
• Mcaurne
• W.,wordsworth,W.,wordsworth
• Ehrenbeng
• Harichandan
• Patri M
• french, f.g.,french, f.g.
• Das , Chaudhery