Categories

• Economics
• psycholigy
• Chemistry
• Others,Political Science
• Others,Chemistry
• enviromental studies
• Political Science
• Botany,Zoology
• Logic
• Eng

Authors

• Todaru , Smith
• Ponnusamy S
• R.L,Tiwari,Goodman, W.R
• Jacka , Hammack
• Sinha,Senta ,Mishra ,Shivkda
• Madan , r.l.,Rout, S.K.
• Brijlal,Subrahmaryam
• B.P,Sarabhai
• J.D,ryder
• Mohanty.G