Categories

• Biology
• History
• Botany,Physics
• Others,Physics
• Computer Science
• englisg
• Hindi
• Economics,Political Science
• Political Science,Zoology
• Education

Authors

• bhattacharya and mahanta,A.K,Nanda
• Tripathy, Goyal,Rawat
• Palagunusang E,G,Prasad
• Varma P.S
• Nayak, Rout
• Vas, Gratain
• Sahoo, l.n.
• mathiesen, s.j,chand and tripathy
• Ganretl
• Jhosi