Categories

• Logic
• Physics
• Environmental Studies
• Political Science,Education
• englisg
• Education
• IT
• Zoology,odiya
• Economics,History
• Other

Authors

• Patra,Das , h.h., p.s.n.
• Dalat
• raman and singh
• B.,Ranjan,B.,Ranjan
• Basu , s.p.
• Saraf G,Pattanaik D.R
• Wrenn C.L,Eliot George
• G.Tyler
• Toman
• pauigrales