Categories

• Physics,History
• evs
• Others,Botany
• Zoology
• Education,Zoology
• Others
• Botany,Physics
• Physics
• Chemistry
• Biology,odiya

Authors

• Bhangava
• salvatore
• Mishra. B.K.
• shukla and chandel,singh and kasyap
• Bilgrami , Debi,Piesen , J.M.H
• Aiyengar
• Mishra A
• u.n.,mahalata,Pradhan, s.c. and others
• Dash, k.c and others
• Dath , Patra,Vidyanath, R.D