Categories

• enviromental studies
• Botany
• Environmental Studies
• Botany,Physics
• Education
• Biology,odiya
• Economics,Political Science
• Political Science,History
• Computer Science
• Others,Physics

Authors

• P.K.
• Jena S.R.
• coulter and chamberlain,Vashishta , b.r.
• b.b.
• sidney
• baliar singh
• Ratha , c.s.
• a.c.,kapur,asirvatham
• Agasty , Urobina
• Hardy , Thomas