Categories

• Botany,Physics
• Others,Chemistry
• Political Science
• Biology
• Others,Biology
• Environmental Studies
• economy
• Education
• Economics,Political Science
• psycholigy

Authors

• Nayak, D.,Samal, s.s.
• Swarup
• Singh,Penrose
• Sunyananayana
• Bickley, P.
• Sadana
• Gerge
• Dickens, c.,R.K.,Narayana
• Oskahott
• Chopra, p.n.,Seth, m.l.