Categories

• Mathematics
• Chemistry
• Others
• Others,Chemistry
• evs
• Logic
• Others,Physics
• Zoology
• Education
• zoolozy

Authors

• choudhari
• Barik , Pattanaik,Pradhan
• barnes and ful fornd
• Kumar,Mahendra
• W
• A.K,Bukho Padhya,Back Ramki
• Rout, M.K., b.c. and mohapatra,Mohanty , R.
• Wood, a.c.
• S.K,Das
• Sinha,Senta ,Mishra ,Shivkda