Categories

• Ethics and Values
• enviromental studies
• Economics,Political Science
• Chemistry
• Education,Zoology
• Economic
• English
• Physics
• Botany,Zoology
• englisg

Authors

• K.S.,murty,K.S.,murty
• tamanasseri, ismail,mohanty and islam
• jenkins and white,Swain , b.b.
• Singh,Dolly
• pattanik
• Tilak, Raghukul
• Ahsan , s.p., j. & sinha
• Seth, m.l.,Parida, b.c.
• Anfken , Weber
• jones, w.t.,jones, w.t.