Categories

• Others,Chemistry
• Physics,History
• Others,Political Science
• Environmental Studies
• Ethics and Values
• enviromental studies
• Others,Botany
• Political Science,Education
• Economics
• economy

Authors

• Kapoor , a.c.
• Negi , Anand
• Schure , Rothwell
• Sahu, S.K.,lekhi and inder kumar
• Po Clock john L
• Palmen
• B.C,Rout,Pattanaik, D.D
• S,Mishra ,Jena, Arjuna
• Lack , Evans
• Sezhiyan