Categories

• Physics,History
• History
• Computer Science
• enviromental studies
• Economics
• Physics,odiya
• Political Science,History
• economy
• odiya
• Others,Biology

Authors

• Das G.N.
• Pattanaik. K.C
• Kar, b.b.
• kapur, n.m.,kapur, n.m.
• kohali and others,Safaya , R.N.
• O.,sarad
• Arora M.P.
• s.s. and others
• J.W
• bartlett