Categories

• Others,Education
• Education
• Physics,odiya
• economy
• zoolozy
• Economic
• Economics
• Others,Biology
• enviromental studies
• Physics,History

Authors

• Singh. B.D
• R.S,mughali
• Davies, h.a.,Davies, h.a.
• Verma,Jordan
• Dash S.
• Kapoor , a.c.,Kapoor , a.c.
• patri and patri,das and sahu
• Das Ratan
• Sullivan S,T,Balasubramaian
• Tripathy D.P