Categories

• Economics
• Economic
• Computer Science
• Others,Political Science
• psycholigy
• Others,Chemistry
• enviromental studies
• Others,Education
• Botany,Zoology
• Environmental Studies

Authors

• h.,james,Dickens, c.
• g.n.,halm,g.n.,halm
• gokulan
• Lubbock, Pency
• Kothari
• v. and others
• Chand, soma
• Goldsteen , Pevehouse
• avasthi and maheswari
• Maiti P,Basham A.C