Categories

• Computer Science
• evs
• Odia
• Education,Zoology
• Economic
• geography
• Other
• Botany,Physics
• Philosophy
• Chemistry

Authors

• N.N
• Gurtu & Keemtilal
• sundaram k.p.m.
• rabinder
• three authors
• Spean, Pencival,Das,Chopra, Puri
• Sovaso
• Bhatia, h.l.,Bhatia, h.l.
• Gupta, S.C.
• selvam and padhee