Categories

• Others,Physics
• evs
• Economics,History
• English
• Other
• Education,Zoology
• pyschology
• Mathematics
• Philosophy
• Political Science

Authors

• Vashishta , b.r.,nigam and kumar
• harrs, wendel v.,Das , m.n. and pati
• Andrews
• vasudeva
• Chakrakanti
• Kotpal, Others
• S.N,Bhattacharjee
• Brijlal
• Todawo & Smith
• Panigrahi , S.C,M,Dash