Categories

• Others,Botany
• Economics
• Logic
• Others,English
• Political Science,Education
• Others,Physics
• Others,History
• Others,Education
• pyschology
• Other

Authors

• Gauba, O.P,B.C,Rout
• pegrave, f.t.
• Sharma,Khanna ,Kruyszis, Erwin
• Tilak Raghukul
• Saray, Vilay,Dunzie, N
• jenkins and white
• r.s.,maericol
• butt
• Carson Batecher
• Agrawal,Lekhi