Categories

• Economic
• Political Science,History
• Logic
• Physics
• Others,History
• Zoology,odiya
• Others,Education
• Others,Physics
• Mathematics
• Other

Authors

• keir
• B.B,Kan,Das B.N
• aiyar, t.l.v.,aiyar, t.l.v.
• Tyna M.
• Bansal , r.k. and harrison j.b.
• N.C,Pattanaik,R.D,Vidanath
• simpson
• Mohanty , S.C
• Barl
• richtmyer f.k.