Categories

• Political Science,Zoology
• Others,Chemistry
• Mathematics
• English
• Economics,History
• enviromental studies
• Zoology,odiya
• Biology,odiya
• economy
• Hindi

Authors

• friedrich
• COLLINS
• Meher Gangadhar,Rout B.C
• Krishnaraj , Kanchi
• marsh, e.r.t.
• boulton
• Samson
• Mishra , k.c.,Mishra , k.c.
• Jespensen ,Otto
• D.J