Categories

• geography
• Education,Zoology
• Zoology
• psycholigy
• Hindi
• Political Science,Education
• Computer Science
• Politicalscience
• Chemistry
• Economic

Authors

• Nanda, B.N
• Mishra ,Mahapatra ,Chadwal , G.R
• Tingali
• Sen, S.
• Sree, S.P.
• Paul
• Koui, L,Sampath and Lhas
• Cummings
• Madan R.D
• Gupta,R.K