Categories

• Others
• Physics
• Botany
• IT
• geography
• Hindi
• Physics,History
• psycholigy
• History
• Botany,Physics

Authors

• Abram G.S
• Gupta, Gupta,O.P,Agrawal
• P.N
• Stonien
• Dash .M
• Senapati, F.M
• G.C,Nayak,Moekevgle
• methews
• Sikri, s.l.,Das , b.c., h.h. and chaudhury
• Bahl , g.d., b.s. and tuli,Bahl , g.d., b.s. and t