Categories

• Logic
• Others,Botany
• Economics,Political Science
• Economics
• Ethics and Values
• Education
• Others,Physics
• zoolozy
• Others,Education
• Political Science,Zoology

Authors

• Acharya , singh and jena
• P.,sidney
• Pattanaik D.D.
• A.,willey,A.,willey
• C.W
• Kali
• John,butt
• c.,bettelhein
• Kuppuswary B
• ross